Converters
Convert any unit with the exact factor and the working shown. 446 tools, all free and instant.
Length42Weight23Temperature13Power31Energy33Data9Speed9Area9Volume11Pressure9Time units11Frequency19Voltage15Electric charge15Angle7Number systems36Color9
Length
cm, inches, feet, metres, miles.
cm → ft+inConvert centimeters (cm) to feet and inches accurately with whole feet, remainder inches, decimal values and full working steps.CM to FeetConvert centimeter to foot instantly. 1 cm = 0.03280839895 ft, worked steps and a full reference table.CM to InchesConvert centimeter to inch instantly. 1 cm = 0.3937007874 in, worked steps and a full reference table.CM to MetersConvert centimeter to meter instantly. 1 cm = 0.01 m, worked steps and a full reference table.CM to MMConvert centimeter to millimeter instantly. 1 cm = 10 mm, worked steps and a full reference table.Feet to CMConvert foot to centimeter instantly. 1 ft = 30.48 cm, worked steps and a full reference table.Feet to InchesConvert foot to inch instantly. 1 ft = 12 in, worked steps and a full reference table.Feet to MetersConvert foot to meter instantly. 1 ft = 0.3048 m, worked steps and a full reference table.Feet to MilesConvert foot to mile instantly. 1 ft = 0.0001893939394 mi, worked steps and a full reference table.Feet to MMConvert foot to millimeter instantly. 1 ft = 304.8 mm, worked steps and a full reference table.Feet to YardsConvert foot to yard instantly. 1 ft = 0.3333333333 yd, worked steps and a full reference table.ft+in → cmConvert feet and inches to centimeters (cm) instantly. Enter feet and inches separately and get exact metric centimeters.ft+in → mConvert imperial feet and inches to metric meters with live calculation and step-by-step conversion working.ft+in → mmConvert feet and inches to millimeters (mm) instantly with worked calculation steps.Height converterConvert human height between feet + inches, centimeters, meters and total inches with live side-by-side comparison.Inches to CMConvert inch to centimeter instantly. 1 in = 2.54 cm, worked steps and a full reference table.Inches to FeetConvert inch to foot instantly. 1 in = 0.08333333333 ft, worked steps and a full reference table.Inches to MetersConvert inch to meter instantly. 1 in = 0.0254 m, worked steps and a full reference table.Inches to MMConvert inch to millimeter instantly. 1 in = 25.4 mm, worked steps and a full reference table.KM to MetersConvert kilometer to meter instantly. 1 km = 1000 m, worked steps and a full reference table.KM to MilesConvert kilometer to mile instantly. 1 km = 0.6213711922 mi, worked steps and a full reference table.KM to Nautical MilesConvert kilometer to nautical mile instantly. 1 km = 0.5399568035 nmi, worked steps and a full reference table.Length converterConvert between every length unit in one place. Pick any two units, see the exact factor and the worked calculation.m → ft+inConvert meters to feet and inches with precision. Shows whole feet and remaining fractional inches.Meters to CMConvert meter to centimeter instantly. 1 m = 100 cm, worked steps and a full reference table.Meters to FeetConvert meter to foot instantly. 1 m = 3.280839895 ft, worked steps and a full reference table.Meters to InchesConvert meter to inch instantly. 1 m = 39.37007874 in, worked steps and a full reference table.Meters to KMConvert meter to kilometer instantly. 1 m = 0.001 km, worked steps and a full reference table.Meters to MilesConvert meter to mile instantly. 1 m = 0.0006213711922 mi, worked steps and a full reference table.Meters to YardsConvert meter to yard instantly. 1 m = 1.093613298 yd, worked steps and a full reference table.Micrometers to MetersConvert micrometer to meter instantly. 1 µm = 0.000001 m, worked steps and a full reference table.Miles to FeetConvert mile to foot instantly. 1 mi = 5280 ft, worked steps and a full reference table.Miles to KMConvert mile to kilometer instantly. 1 mi = 1.609344 km, worked steps and a full reference table.Miles to MetersConvert mile to meter instantly. 1 mi = 1609.344 m, worked steps and a full reference table.mm → ft+inConvert millimeters (mm) to feet and inches with fraction and decimal precision.MM to CMConvert millimeter to centimeter instantly. 1 mm = 0.1 cm, worked steps and a full reference table.MM to FeetConvert millimeter to foot instantly. 1 mm = 0.003280839895 ft, worked steps and a full reference table.MM to InchesConvert millimeter to inch instantly. 1 mm = 0.03937007874 in, worked steps and a full reference table.Nanometers to MetersConvert nanometer to meter instantly. 1 nm = 1e-9 m, worked steps and a full reference table.Nautical Miles to KMConvert nautical mile to kilometer instantly. 1 nmi = 1.852 km, worked steps and a full reference table.Yards to FeetConvert yard to foot instantly. 1 yd = 3 ft, worked steps and a full reference table.Yards to MetersConvert yard to meter instantly. 1 yd = 0.9144 m, worked steps and a full reference table.
Weight
Grams, kilograms, pounds, ounces.
Grams to KGConvert gram to kilogram instantly. 1 g = 0.001 kg, worked steps and a full reference table.Grams to MGConvert gram to milligram instantly. 1 g = 1000 mg, worked steps and a full reference table.Grams to OuncesConvert gram to ounce instantly. 1 g = 0.03527396195 oz, worked steps and a full reference table.Grams to PoundsConvert gram to pound instantly. 1 g = 0.002204622622 lb, worked steps and a full reference table.KG to GramsConvert kilogram to gram instantly. 1 kg = 1000 g, worked steps and a full reference table.KG to OuncesConvert kilogram to ounce instantly. 1 kg = 35.27396195 oz, worked steps and a full reference table.KG to PoundsConvert kilogram to pound instantly. 1 kg = 2.204622622 lb, worked steps and a full reference table.KG to StoneConvert kilogram to stone instantly. 1 kg = 0.1574730444 st, worked steps and a full reference table.KG to TonsConvert kilogram to metric ton instantly. 1 kg = 0.001 t, worked steps and a full reference table.MG to GramsConvert milligram to gram instantly. 1 mg = 0.001 g, worked steps and a full reference table.Ounces to GramsConvert ounce to gram instantly. 1 oz = 28.34952313 g, worked steps and a full reference table.Ounces to KGConvert ounce to kilogram instantly. 1 oz = 0.02834952313 kg, worked steps and a full reference table.Ounces to PoundsConvert ounce to pound instantly. 1 oz = 0.0625 lb, worked steps and a full reference table.Pounds to GramsConvert pound to gram instantly. 1 lb = 453.59237 g, worked steps and a full reference table.Pounds to KGConvert pound to kilogram instantly. 1 lb = 0.45359237 kg, worked steps and a full reference table.Pounds to OuncesConvert pound to ounce instantly. 1 lb = 16 oz, worked steps and a full reference table.Pounds to StoneConvert pound to stone instantly. 1 lb = 0.07142857143 st, worked steps and a full reference table.Pounds to TonsConvert pound to metric ton instantly. 1 lb = 0.00045359237 t, worked steps and a full reference table.Stone to KGConvert stone to kilogram instantly. 1 st = 6.35029318 kg, worked steps and a full reference table.Stone to PoundsConvert stone to pound instantly. 1 st = 14 lb, worked steps and a full reference table.Tons to KGConvert metric ton to kilogram instantly. 1 t = 1000 kg, worked steps and a full reference table.Tons to PoundsConvert metric ton to pound instantly. 1 t = 2204.622622 lb, worked steps and a full reference table.Weight converterConvert between every weight unit in one place. Pick any two units, see the exact factor and the worked calculation.
Temperature
Celsius, Fahrenheit, Kelvin.
Celsius to FahrenheitConvert celsius to fahrenheit instantly. Formula, worked steps and a full reference table.Celsius to KelvinConvert celsius to kelvin instantly. Formula, worked steps and a full reference table.Celsius to RankineConvert celsius to rankine instantly. Formula, worked steps and a full reference table.Fahrenheit to CelsiusConvert fahrenheit to celsius instantly. Formula, worked steps and a full reference table.Fahrenheit to KelvinConvert fahrenheit to kelvin instantly. Formula, worked steps and a full reference table.Fahrenheit to RankineConvert fahrenheit to rankine instantly. Formula, worked steps and a full reference table.Kelvin to CelsiusConvert kelvin to celsius instantly. Formula, worked steps and a full reference table.Kelvin to FahrenheitConvert kelvin to fahrenheit instantly. Formula, worked steps and a full reference table.Kelvin to RankineConvert kelvin to rankine instantly. Formula, worked steps and a full reference table.Rankine to CelsiusConvert rankine to celsius instantly. Formula, worked steps and a full reference table.Rankine to FahrenheitConvert rankine to fahrenheit instantly. Formula, worked steps and a full reference table.Rankine to KelvinConvert rankine to kelvin instantly. Formula, worked steps and a full reference table.Temperature converterConvert between every temperature unit in one place. Pick any two units, see the exact factor and the worked calculation.
Power
Watts, kilowatts, horsepower, BTU.
BHP to kWConvert brake horsepower to kilowatt instantly. 1 bhp = 0.745699872 kW, worked steps and a full reference table.BTU/hr to kWConvert btu per hour to kilowatt instantly. 1 BTU/hr = 0.00029307107 kW, worked steps and a full reference table.BTU/hr to Refrigeration TonsConvert btu per hour to refrigeration ton instantly. 1 BTU/hr = 0.00008333333328 RT, worked steps and a full reference table.BTU/hr to WattsConvert btu per hour to watt instantly. 1 BTU/hr = 0.29307107 W, worked steps and a full reference table.dBm to MilliwattsConvert decibel-milliwatts to milliwatt instantly. Formula, worked steps and a full reference table.dBm to WattsConvert decibel-milliwatts to watt instantly. Formula, worked steps and a full reference table.Gigawatts to MegawattsConvert gigawatt to megawatt instantly. 1 GW = 1000 MW, worked steps and a full reference table.HP to kWConvert horsepower (mechanical) to kilowatt instantly. 1 hp = 0.745699872 kW, worked steps and a full reference table.HP to WattsConvert horsepower (mechanical) to watt instantly. 1 hp = 745.699872 W, worked steps and a full reference table.kW to BHPConvert kilowatt to brake horsepower instantly. 1 kW = 1.341022089 bhp, worked steps and a full reference table.kW to BTU/hrConvert kilowatt to btu per hour instantly. 1 kW = 3412.141635 BTU/hr, worked steps and a full reference table.kW to HPConvert kilowatt to horsepower (mechanical) instantly. 1 kW = 1.341022089 hp, worked steps and a full reference table.kW to MegawattsConvert kilowatt to megawatt instantly. 1 kW = 0.001 MW, worked steps and a full reference table.kW to MilliwattsConvert kilowatt to milliwatt instantly. 1 kW = 1000000 mW, worked steps and a full reference table.kW to Refrigeration TonsConvert kilowatt to refrigeration ton instantly. 1 kW = 0.2843451361 RT, worked steps and a full reference table.kW to WattsConvert kilowatt to watt instantly. 1 kW = 1000 W, worked steps and a full reference table.Megawatts to GigawattsConvert megawatt to gigawatt instantly. 1 MW = 0.001 GW, worked steps and a full reference table.Megawatts to kWConvert megawatt to kilowatt instantly. 1 MW = 1000 kW, worked steps and a full reference table.Megawatts to WattsConvert megawatt to watt instantly. 1 MW = 1000000 W, worked steps and a full reference table.Milliwatts to dBmConvert milliwatt to decibel-milliwatts instantly. Formula, worked steps and a full reference table.Milliwatts to kWConvert milliwatt to kilowatt instantly. 1 mW = 0.000001 kW, worked steps and a full reference table.Milliwatts to WattsConvert milliwatt to watt instantly. 1 mW = 0.001 W, worked steps and a full reference table.Power converterConvert between every power unit in one place. Pick any two units, see the exact factor and the worked calculation.Refrigeration Tons to BTU/hrConvert refrigeration ton to btu per hour instantly. 1 RT = 12000.00001 BTU/hr, worked steps and a full reference table.Refrigeration Tons to kWConvert refrigeration ton to kilowatt instantly. 1 RT = 3.516852842 kW, worked steps and a full reference table.Watts to BTU/hrConvert watt to btu per hour instantly. 1 W = 3.412141635 BTU/hr, worked steps and a full reference table.Watts to dBmConvert watt to decibel-milliwatts instantly. Formula, worked steps and a full reference table.Watts to HPConvert watt to horsepower (mechanical) instantly. 1 W = 0.001341022089 hp, worked steps and a full reference table.Watts to kWConvert watt to kilowatt instantly. 1 W = 0.001 kW, worked steps and a full reference table.Watts to MegawattsConvert watt to megawatt instantly. 1 W = 0.000001 MW, worked steps and a full reference table.Watts to MilliwattsConvert watt to milliwatt instantly. 1 W = 1000 mW, worked steps and a full reference table.
Energy
Joules, calories, kWh, BTU.
BTU to CaloriesConvert british thermal unit to calorie (small) instantly. 1 BTU = 252.1644007 cal, worked steps and a full reference table.BTU to JoulesConvert british thermal unit to joule instantly. 1 BTU = 1055.055853 J, worked steps and a full reference table.BTU to kWhConvert british thermal unit to kilowatt-hour instantly. 1 BTU = 0.0002930710702 kWh, worked steps and a full reference table.Calories to BTUConvert calorie (small) to british thermal unit instantly. 1 cal = 0.003965666831 BTU, worked steps and a full reference table.Calories to JoulesConvert calorie (small) to joule instantly. 1 cal = 4.184 J, worked steps and a full reference table.Calories to kcalConvert calorie (small) to kilocalorie (food calorie) instantly. 1 cal = 0.001 kcal, worked steps and a full reference table.Energy converterConvert between every energy unit in one place. Pick any two units, see the exact factor and the worked calculation.eV to GeVConvert electronvolt to gigaelectronvolt instantly. 1 eV = 1.000000e-09 GeV, worked steps and a full reference table.eV to JoulesConvert electronvolt to joule instantly. 1 eV = 1.602177e-19 J, worked steps and a full reference table.eV to keVConvert electronvolt to kiloelectronvolt instantly. 1 eV = 0.001 keV, worked steps and a full reference table.eV to MeVConvert electronvolt to megaelectronvolt instantly. 1 eV = 0.000001 MeV, worked steps and a full reference table.GeV to eVConvert gigaelectronvolt to electronvolt instantly. 1 GeV = 1000000000 eV, worked steps and a full reference table.GeV to MeVConvert gigaelectronvolt to megaelectronvolt instantly. 1 GeV = 1000 MeV, worked steps and a full reference table.Joules to BTUConvert joule to british thermal unit instantly. 1 J = 0.0009478171203 BTU, worked steps and a full reference table.Joules to CaloriesConvert joule to calorie (small) instantly. 1 J = 0.2390057361 cal, worked steps and a full reference table.Joules to eVConvert joule to electronvolt instantly. 1 J = 6.241509e+18 eV, worked steps and a full reference table.Joules to kcalConvert joule to kilocalorie (food calorie) instantly. 1 J = 0.0002390057361 kcal, worked steps and a full reference table.Joules to kJConvert joule to kilojoule instantly. 1 J = 0.001 kJ, worked steps and a full reference table.Joules to kWhConvert joule to kilowatt-hour instantly. 1 J = 2.777777778e-7 kWh, worked steps and a full reference table.Joules to MegajoulesConvert joule to megajoule instantly. 1 J = 0.000001 MJ, worked steps and a full reference table.kcal to CaloriesConvert kilocalorie (food calorie) to calorie (small) instantly. 1 kcal = 1000 cal, worked steps and a full reference table.kcal to JoulesConvert kilocalorie (food calorie) to joule instantly. 1 kcal = 4184 J, worked steps and a full reference table.kcal to kJConvert kilocalorie (food calorie) to kilojoule instantly. 1 kcal = 4.184 kJ, worked steps and a full reference table.keV to eVConvert kiloelectronvolt to electronvolt instantly. 1 keV = 1000 eV, worked steps and a full reference table.kJ to JoulesConvert kilojoule to joule instantly. 1 kJ = 1000 J, worked steps and a full reference table.kJ to kcalConvert kilojoule to kilocalorie (food calorie) instantly. 1 kJ = 0.2390057361 kcal, worked steps and a full reference table.kWh to BTUConvert kilowatt-hour to british thermal unit instantly. 1 kWh = 3412.141633 BTU, worked steps and a full reference table.kWh to JoulesConvert kilowatt-hour to joule instantly. 1 kWh = 3600000 J, worked steps and a full reference table.kWh to WhConvert kilowatt-hour to watt-hour instantly. 1 kWh = 1000 Wh, worked steps and a full reference table.Megajoules to JoulesConvert megajoule to joule instantly. 1 MJ = 1000000 J, worked steps and a full reference table.MeV to eVConvert megaelectronvolt to electronvolt instantly. 1 MeV = 1000000 eV, worked steps and a full reference table.MeV to GeVConvert megaelectronvolt to gigaelectronvolt instantly. 1 MeV = 0.001 GeV, worked steps and a full reference table.Wh to kWhConvert watt-hour to kilowatt-hour instantly. 1 Wh = 0.001 kWh, worked steps and a full reference table.
Data
Bytes, KB, MB, GB, TB.
Bits to BytesConvert bit to byte instantly. 1 bit = 0.125 B, worked steps and a full reference table.Bytes to BitsConvert byte to bit instantly. 1 B = 8 bit, worked steps and a full reference table.Data storage converterConvert between every data storage unit in one place. Pick any two units, see the exact factor and the worked calculation.GB to MBConvert gigabyte to megabyte (1000 kb) instantly. 1 GB = 1000 MB, worked steps and a full reference table.GB to TBConvert gigabyte to terabyte instantly. 1 GB = 0.001 TB, worked steps and a full reference table.KB to MBConvert kilobyte (1000 b) to megabyte (1000 kb) instantly. 1 KB = 0.001 MB, worked steps and a full reference table.MB to GBConvert megabyte (1000 kb) to gigabyte instantly. 1 MB = 0.001 GB, worked steps and a full reference table.MB to KBConvert megabyte (1000 kb) to kilobyte (1000 b) instantly. 1 MB = 1000 KB, worked steps and a full reference table.TB to GBConvert terabyte to gigabyte instantly. 1 TB = 1000 GB, worked steps and a full reference table.
Speed
km/h, mph, knots, m/s.
KM/H to KnotsConvert kilometers per hour to knot instantly. 1 km/h = 0.5399568035 kn, worked steps and a full reference table.KM/H to M/SConvert kilometers per hour to meters per second instantly. 1 km/h = 0.2777777778 m/s, worked steps and a full reference table.KM/H to MPHConvert kilometers per hour to miles per hour instantly. 1 km/h = 0.6213711922 mph, worked steps and a full reference table.Knots to KM/HConvert knot to kilometers per hour instantly. 1 kn = 1.852 km/h, worked steps and a full reference table.Knots to MPHConvert knot to miles per hour instantly. 1 kn = 1.150779448 mph, worked steps and a full reference table.M/S to KM/HConvert meters per second to kilometers per hour instantly. 1 m/s = 3.6 km/h, worked steps and a full reference table.MPH to KM/HConvert miles per hour to kilometers per hour instantly. 1 mph = 1.609344 km/h, worked steps and a full reference table.MPH to KnotsConvert miles per hour to knot instantly. 1 mph = 0.8689762419 kn, worked steps and a full reference table.Speed converterConvert between every speed unit in one place. Pick any two units, see the exact factor and the worked calculation.
Area
m², ft², acres, hectares, marla.
Acres to HectaresConvert acre to hectare instantly. 1 ac = 0.4046856422 ha, worked steps and a full reference table.Area converterConvert between every area unit in one place. Pick any two units, see the exact factor and the worked calculation.Hectares to AcresConvert hectare to acre instantly. 1 ha = 2.471053815 ac, worked steps and a full reference table.Hectares to Square MetersConvert hectare to square meter instantly. 1 ha = 10000 m², worked steps and a full reference table.Kanal to MarlaConvert kanal to marla instantly. 1 kanal = 19.99999997 marla, worked steps and a full reference table.Marla to Square FeetConvert marla to square foot instantly. 1 marla = 272.25 ft², worked steps and a full reference table.Square Feet to Square MetersConvert square foot to square meter instantly. 1 ft² = 0.09290304 m², worked steps and a full reference table.Square Meters to HectaresConvert square meter to hectare instantly. 1 m² = 0.0001 ha, worked steps and a full reference table.Square Meters to Square FeetConvert square meter to square foot instantly. 1 m² = 10.76391042 ft², worked steps and a full reference table.
Volume
Litres, gallons, cups, spoons.
Cubic Feet to Cubic MetersConvert cubic foot to cubic meter instantly. 1 ft³ = 0.02831684659 m³, worked steps and a full reference table.Cubic Meters to Cubic FeetConvert cubic meter to cubic foot instantly. 1 m³ = 35.31466672 ft³, worked steps and a full reference table.Cups to MLConvert cup (us) to milliliter instantly. 1 cup = 236.5882365 ml, worked steps and a full reference table.Fluid Ounces to MLConvert fluid ounce (us) to milliliter instantly. 1 fl oz = 29.57352956 ml, worked steps and a full reference table.Gallons to LitersConvert gallon (us) to liter instantly. 1 gal = 3.785411784 L, worked steps and a full reference table.Liters to GallonsConvert liter to gallon (us) instantly. 1 L = 0.2641720524 gal, worked steps and a full reference table.ML to CupsConvert milliliter to cup (us) instantly. 1 ml = 0.004226752838 cup, worked steps and a full reference table.ML to Fluid OuncesConvert milliliter to fluid ounce (us) instantly. 1 ml = 0.0338140227 fl oz, worked steps and a full reference table.Tablespoons to TeaspoonsConvert tablespoon (us) to teaspoon (us) instantly. 1 tbsp = 3 tsp, worked steps and a full reference table.Teaspoons to TablespoonsConvert teaspoon (us) to tablespoon (us) instantly. 1 tsp = 0.3333333333 tbsp, worked steps and a full reference table.Volume converterConvert between every volume unit in one place. Pick any two units, see the exact factor and the worked calculation.
Pressure
PSI, bar, kPa, atm, mmHg.
Atm to PSIConvert standard atmosphere to pound per square inch instantly. 1 atm = 14.69594878 psi, worked steps and a full reference table.Bar to PSIConvert bar to pound per square inch instantly. 1 bar = 14.50377377 psi, worked steps and a full reference table.kPa to mmHgConvert kilopascal to millimeter of mercury instantly. 1 kPa = 7.500615758 mmHg, worked steps and a full reference table.kPa to PSIConvert kilopascal to pound per square inch instantly. 1 kPa = 0.1450377377 psi, worked steps and a full reference table.mmHg to kPaConvert millimeter of mercury to kilopascal instantly. 1 mmHg = 0.1333223874 kPa, worked steps and a full reference table.Pressure converterConvert between every pressure unit in one place. Pick any two units, see the exact factor and the worked calculation.PSI to AtmConvert pound per square inch to standard atmosphere instantly. 1 psi = 0.06804596391 atm, worked steps and a full reference table.PSI to BarConvert pound per square inch to bar instantly. 1 psi = 0.06894757293 bar, worked steps and a full reference table.PSI to kPaConvert pound per square inch to kilopascal instantly. 1 psi = 6.894757293 kPa, worked steps and a full reference table.
Time units
Seconds, minutes, hours, days.
Days to HoursConvert day to hour instantly. 1 d = 24 h, worked steps and a full reference table.Days to WeeksConvert day to week instantly. 1 d = 0.1428571429 wk, worked steps and a full reference table.Hours to DaysConvert hour to day instantly. 1 h = 0.04166666667 d, worked steps and a full reference table.Hours to MinutesConvert hour to minute instantly. 1 h = 60 min, worked steps and a full reference table.Milliseconds to SecondsConvert millisecond to second instantly. 1 ms = 0.001 s, worked steps and a full reference table.Minutes to HoursConvert minute to hour instantly. 1 min = 0.01666666667 h, worked steps and a full reference table.Minutes to SecondsConvert minute to second instantly. 1 min = 60 s, worked steps and a full reference table.Seconds to MillisecondsConvert second to millisecond instantly. 1 s = 1000 ms, worked steps and a full reference table.Seconds to MinutesConvert second to minute instantly. 1 s = 0.01666666667 min, worked steps and a full reference table.Time converterConvert between every time unit in one place. Pick any two units, see the exact factor and the worked calculation.Weeks to DaysConvert week to day instantly. 1 wk = 7 d, worked steps and a full reference table.
Frequency
Hz, kHz, MHz, GHz, RPM.
Frequency converterConvert between every frequency unit in one place. Pick any two units, see the exact factor and the worked calculation.GHz to HzConvert gigahertz to hertz instantly. 1 GHz = 1000000000 Hz, worked steps and a full reference table.GHz to MHzConvert gigahertz to megahertz instantly. 1 GHz = 1000 MHz, worked steps and a full reference table.GHz to THzConvert gigahertz to terahertz instantly. 1 GHz = 0.001 THz, worked steps and a full reference table.Hz to GHzConvert hertz to gigahertz instantly. 1 Hz = 1e-9 GHz, worked steps and a full reference table.Hz to kHzConvert hertz to kilohertz instantly. 1 Hz = 0.001 kHz, worked steps and a full reference table.Hz to MHzConvert hertz to megahertz instantly. 1 Hz = 0.000001 MHz, worked steps and a full reference table.Hz to Rad/sConvert hertz to radians per second instantly. 1 Hz = 6.283185307 rad/s, worked steps and a full reference table.Hz to RPMConvert hertz to revolutions per minute instantly. 1 Hz = 60 rpm, worked steps and a full reference table.Hz to THzConvert hertz to terahertz instantly. 1 Hz = 1.000000e-12 THz, worked steps and a full reference table.kHz to HzConvert kilohertz to hertz instantly. 1 kHz = 1000 Hz, worked steps and a full reference table.kHz to MHzConvert kilohertz to megahertz instantly. 1 kHz = 0.001 MHz, worked steps and a full reference table.MHz to GHzConvert megahertz to gigahertz instantly. 1 MHz = 0.001 GHz, worked steps and a full reference table.MHz to HzConvert megahertz to hertz instantly. 1 MHz = 1000000 Hz, worked steps and a full reference table.MHz to kHzConvert megahertz to kilohertz instantly. 1 MHz = 1000 kHz, worked steps and a full reference table.Rad/s to HzConvert radians per second to hertz instantly. 1 rad/s = 0.1591549431 Hz, worked steps and a full reference table.RPM to HzConvert revolutions per minute to hertz instantly. 1 rpm = 0.01666666667 Hz, worked steps and a full reference table.THz to GHzConvert terahertz to gigahertz instantly. 1 THz = 1000 GHz, worked steps and a full reference table.THz to HzConvert terahertz to hertz instantly. 1 THz = 1000000000000 Hz, worked steps and a full reference table.
Voltage
Volts, millivolts, kilovolts.
Gigavolts to VoltsConvert gigavolt to volt instantly. 1 GV = 1000000000 V, worked steps and a full reference table.Kilovolts to MegavoltsConvert kilovolt to megavolt instantly. 1 kV = 0.001 MV, worked steps and a full reference table.Kilovolts to VoltsConvert kilovolt to volt instantly. 1 kV = 1000 V, worked steps and a full reference table.Megavolts to KilovoltsConvert megavolt to kilovolt instantly. 1 MV = 1000 kV, worked steps and a full reference table.Megavolts to VoltsConvert megavolt to volt instantly. 1 MV = 1000000 V, worked steps and a full reference table.Microvolts to MillivoltsConvert microvolt to millivolt instantly. 1 µV = 0.001 mV, worked steps and a full reference table.Microvolts to VoltsConvert microvolt to volt instantly. 1 µV = 0.000001 V, worked steps and a full reference table.Millivolts to MicrovoltsConvert millivolt to microvolt instantly. 1 mV = 1000 µV, worked steps and a full reference table.Millivolts to VoltsConvert millivolt to volt instantly. 1 mV = 0.001 V, worked steps and a full reference table.Voltage converterConvert between every voltage unit in one place. Pick any two units, see the exact factor and the worked calculation.Volts to GigavoltsConvert volt to gigavolt instantly. 1 V = 1e-9 GV, worked steps and a full reference table.Volts to KilovoltsConvert volt to kilovolt instantly. 1 V = 0.001 kV, worked steps and a full reference table.Volts to MegavoltsConvert volt to megavolt instantly. 1 V = 0.000001 MV, worked steps and a full reference table.Volts to MicrovoltsConvert volt to microvolt instantly. 1 V = 1000000 µV, worked steps and a full reference table.Volts to MillivoltsConvert volt to millivolt instantly. 1 V = 1000 mV, worked steps and a full reference table.
Electric charge
Coulombs, ampere-hours, microcoulombs.
Ampere-hours to CoulombsConvert ampere-hour to coulomb instantly. 1 Ah = 3600 C, worked steps and a full reference table.Ampere-hours to mAhConvert ampere-hour to milliampere-hour instantly. 1 Ah = 1000 mAh, worked steps and a full reference table.Coulombs to Ampere-hoursConvert coulomb to ampere-hour instantly. 1 C = 0.0002777777778 Ah, worked steps and a full reference table.Coulombs to Elementary ChargeConvert coulomb to elementary charge instantly. 1 C = 6.241509e+18 e, worked steps and a full reference table.Coulombs to MicrocoulombsConvert coulomb to microcoulomb instantly. 1 C = 1000000 µC, worked steps and a full reference table.Coulombs to MillicoulombsConvert coulomb to millicoulomb instantly. 1 C = 1000 mC, worked steps and a full reference table.Coulombs to NanocoulombsConvert coulomb to nanocoulomb instantly. 1 C = 1000000000 nC, worked steps and a full reference table.Coulombs to PicocoulombsConvert coulomb to picocoulomb instantly. 1 C = 1000000000000 pC, worked steps and a full reference table.Electric Charge converterConvert between every electric charge unit in one place. Pick any two units, see the exact factor and the worked calculation.Elementary Charge to CoulombsConvert elementary charge to coulomb instantly. 1 e = 1.602177e-19 C, worked steps and a full reference table.mAh to Ampere-hoursConvert milliampere-hour to ampere-hour instantly. 1 mAh = 0.001 Ah, worked steps and a full reference table.Microcoulombs to CoulombsConvert microcoulomb to coulomb instantly. 1 µC = 0.000001 C, worked steps and a full reference table.Millicoulombs to CoulombsConvert millicoulomb to coulomb instantly. 1 mC = 0.001 C, worked steps and a full reference table.Nanocoulombs to CoulombsConvert nanocoulomb to coulomb instantly. 1 nC = 1e-9 C, worked steps and a full reference table.Picocoulombs to CoulombsConvert picocoulomb to coulomb instantly. 1 pC = 1.000000e-12 C, worked steps and a full reference table.
Angle
Degrees, radians, gradians.
Angle converterConvert between every angle unit in one place. Pick any two units, see the exact factor and the worked calculation.deg → DMSConvert decimal degrees to degrees, minutes and seconds (DMS) for GPS coordinates, navigation and astronomy.Degrees to GradiansConvert degree to gradian instantly. 1 ° = 1.111111111 grad, worked steps and a full reference table.Degrees to RadiansConvert degree to radian instantly. 1 ° = 0.01745329252 rad, worked steps and a full reference table.DMS → degConvert degrees, minutes and seconds (DMS) to decimal degrees for maps, GIS and mathematical calculation.Gradians to DegreesConvert gradian to degree instantly. 1 grad = 0.9 °, worked steps and a full reference table.Radians to DegreesConvert radian to degree instantly. 1 rad = 57.29577951 °, worked steps and a full reference table.
Number systems
Binary, hex, octal, roman.
% → DecConvert a percentage to a decimal by dividing by 100 — 45% becomes 0.45. Shows the working, and converts back the other way too.% → FractionConvert percentages (%) to simplified fractions over 100 with step-by-step reduction shown.% → PPMConvert percent to parts-per-million: 1% is 10,000 ppm. Useful for water quality, air readings and any trace concentration quoted both ways.ASCII → BinaryConvert ASCII text characters to 8-bit binary codes with UTF-8 byte breakdown.ASCII → HexConvert ASCII and UTF-8 text to hexadecimal byte codes, one byte per character, with the decimal value shown beside each for reference.Base converterConvert between binary, octal, decimal, hexadecimal and any base from 2 to 36 — all four common bases update at once.Binary → ASCIIDecode 8-bit binary numbers back to human-readable ASCII text characters.Binary → DecConvert binary numbers (base 2) to decimal (base 10) with positional power-of-2 mathematical steps shown.Binary → HexConvert binary (base 2) to hexadecimal (base 16) with 4-bit nibble grouping steps.Binary → OctalConvert binary (base 2) to octal (base 8) by grouping bits in triplets.Binary → StringConvert binary code (0s and 1s) into readable text strings with UTF-8 character decoding.Date → RomanConvert calendar dates (birthdays, anniversaries, years) into Roman numerals in various international date formats.Dec → %Convert decimal numbers into percentages by multiplying by 100 with formula steps.Dec → BinaryConvert decimal numbers (base 10) to binary (base 2) with division-by-2 remainder working shown.Dec → FractionConvert decimals into simplified fractions and mixed numbers using greatest common divisor reduction.Dec → HexConvert decimal numbers (base 10) to hexadecimal (base 16) with base-16 division steps.Dec → OctalConvert decimal numbers (base 10) to octal (base 8) with division steps.Fraction → %Convert fractions into percentage values (%) with clear formula working and decimal equivalent.Fraction → DecConvert proper, improper and mixed fractions to decimal values with step-by-step long division working.Hex → ASCIIDecode hexadecimal byte strings back to readable ASCII and Unicode text.Hex → BinaryConvert hexadecimal (base 16) to binary (base 2) with 4-bit expansion shown.Hex → DecConvert hexadecimal numbers (base 16) to decimal (base 10) with positional power-of-16 math.Hex → OctalConvert hexadecimal (base 16) to octal (base 8) via binary/decimal intermediates.Octal → BinaryConvert octal digits (base 8) to binary bits (base 2) with 3-bit expansions.Octal → DecConvert octal numbers (base 8) to decimal (base 10) with power-of-8 expansion.Octal → HexConvert octal numbers (base 8) to hexadecimal (base 16) with full steps.PPB → PPMConvert parts-per-billion (ppb) to parts-per-million (ppm). 1,000 ppb = 1 ppm.PPM → %Convert parts-per-million (ppm) to percent (%) with factor 1% = 10,000 ppm and conversion steps.PPM → PPBConvert parts-per-million (ppm) to parts-per-billion (ppb). 1 ppm = 1,000 ppb.PPM → PPTConvert parts-per-million (ppm) to parts-per-trillion (ppt). 1 ppm = 1,000,000 ppt.PPM converterUniversal converter for concentration units: parts-per-million (ppm), parts-per-billion (ppb), ppt, permille, and percent.PPT → PPMConvert parts-per-trillion (ppt) to parts-per-million (ppm). 1,000,000 ppt = 1 ppm.Roman numeralsConvert numbers to Roman numerals and back, from 1 to 3,999 — with the breakdown of each symbol shown.Scientific notationConvert numbers between standard decimal form, scientific notation (a × 10^b), engineering notation and E-notation with steps.String → BinaryEncode text strings into binary 0s and 1s with configurable separators.Text to binaryConvert text to binary, hexadecimal or decimal ASCII codes and back again. Handles full Unicode via UTF-8.
Color
HEX, RGB, HSL and CMYK.
CMYK → RGBConvert print CMYK ink percentages to screen RGB color coordinates with live preview.Color converterConvert any colour between HEX, RGB, HSL, HSV and CMYK. Paste any format and get all the others plus a live swatch.HEX → RGBConvert HEX color codes (#RRGGBB) to RGB red, green, blue values with live preview.HSL → RGBConvert HSL colors (Hue, Saturation, Lightness) to standard RGB channel values.HSV → RGBConvert HSV / HSB (Hue, Saturation, Value) coordinates to standard RGB color values.RGB → CMYKConvert digital RGB screen colors to printing CMYK (cyan, magenta, yellow, black) color percentages.RGB → HEXConvert RGB color values to hexadecimal (HEX) web color codes with live color swatch and preview.RGB → HSLConvert RGB colors to HSL (Hue, Saturation, Lightness) for modern CSS design.RGB → HSVConvert RGB values to HSV (Hue, Saturation, Value / Brightness) for graphics and image software.