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SimpleConvertSimpleConvert
713 tools · no sign-up · instant

Every calculator and converter, none of the clutter.

Fast, clean tools that run entirely in your browser. Nothing to install, nothing uploaded, and everything keeps working offline.

% → Dec% → Fraction% → PPM1 meter to feet10 cm to inches10 kg to lbs10 mm to inches100 kg to lbs13 cm to inches130 lbs to kg14 cm to inches140 lbs to kg
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Most used

% → 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.1 meter to feet1 Meter is 3.28 Feet. Formula, worked steps and a table of nearby values.10 cm to inches10 Centimeters is 3.94 Inches. Formula, worked steps and a table of nearby values.10 kg to lbs10 Kilograms is 22.05 Pounds. Formula, worked steps and a table of nearby values.10 mm to inches10 Millimeters is 0.39 Inches. Formula, worked steps and a table of nearby values.100 kg to lbs100 Kilograms is 220.46 Pounds. Formula, worked steps and a table of nearby values.13 cm to inches13 Centimeters is 5.12 Inches. Formula, worked steps and a table of nearby values.130 lbs to kg130 Pounds is 58.97 Kilograms. Formula, worked steps and a table of nearby values.14 cm to inches14 Centimeters is 5.51 Inches. Formula, worked steps and a table of nearby values.140 lbs to kg140 Pounds is 63.5 Kilograms. Formula, worked steps and a table of nearby values.

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Calculators

Math, money, electrical and everyday calculators with worked steps.

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Convert any unit with the exact factor and the working shown.

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Online Tools

Timers, generators and utilities that just work — offline too.

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Count, clean and transform text instantly.

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Encoders, colour pickers and developer helpers.

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What actually reduces emissions, ranked by how much it matters.

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Command references and character tables, searchable and copyable.

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The terms, units, components and laws behind every circuit.

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Symbol tables, constants and reference charts worth bookmarking.

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