Pounds to KG Converter
Convert pound to kilogram instantly. 1 lb = 0.45359237 kg, worked steps and a full reference table.
How to use it
- Type the value in pound — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 lb | 0.45359237 kg |
| 5 lb | 2.26796185 kg |
| 10 lb | 4.5359237 kg |
| 100 lb | 45.359237 kg |
One pound equals 0.45359237 kilograms (kg). To convert pounds to kilograms, multiply by 0.45359237; to go back the other way, multiply by 2.2046226 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What pounds and kilograms actually measure
Pound (lb) — A pound is exactly 0.45359237 kilograms. Body weight, groceries and gym weights in the US and UK.
Kilogram (kg) — The kilogram is the SI base unit of mass, defined since 2019 by the Planck constant rather than a metal cylinder in Paris. Body weight, groceries and shipping across most of the world.
Pounds to KG conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| lb | kg |
|---|---|
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 5 lb | 2.2679619 kg |
| 10 lb | 4.5359237 kg |
| 25 lb | 11.339809 kg |
| 50 lb | 22.679619 kg |
| 100 lb | 45.359237 kg |
How to convert pounds to kilograms by hand
Multiply the number of pounds by 0.45359237.
For example, 25 lb × 0.45359237 = 11.339809 kg.
Going the other way, divide by 0.45359237 — or multiply by 2.2046226, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many kg are in 1 lb?
1 lb equals exactly 0.45359237 kg. Multiply any value in pound by 0.45359237 to get kilogram.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Also searched for
People find this page looking for how much in kg.
Last updated 18 August 2026