UtilityBaseCalculators
Pounds to Kilograms Converter
Convert pounds (lb) to kilograms (kg) instantly, both ways, with a quick reference table.
Updated July 10, 2026
How to use the pounds to kilograms converter
- 1Type a weight in pounds.
- 2Read the kilograms instantly.
- 3Or type kilograms to convert back.
- 4Use the reference table for common weights.
Common uses
- Converting body weight to metric
- Checking a luggage weight limit
- Converting a recipe or product weight
- Filling in a metric form from pounds
Frequently asked questions
How do I convert pounds to kilograms?
Multiply the number of pounds by 0.453592. For example, 150 lb × 0.453592 = about 68 kg. To go from kilograms to pounds, divide by 0.453592 (or multiply by 2.20462).
How many kilograms is 1 pound?
One pound is about 0.4536 kilograms. So 10 pounds is roughly 4.54 kg, and 100 pounds is about 45.36 kg.
Is this the same as the metric pound?
This uses the international avoirdupois pound, the standard US and UK pound for body weight and everyday use, defined as exactly 0.45359237 kilograms.
About this tool
The pounds to kilograms converter changes weight between lb and kg as you type — edit either box to convert both ways. One pound equals about 0.453592 kilograms, so you multiply pounds by 0.453592 to get kilograms, or divide to go back. A reference table covers common weights for body weight, luggage, and shipping. Everything is calculated in your browser.
Like most tools on UtilityBase, the pounds to kilograms converter runs entirely in your browser — nothing you enter is uploaded or stored on a server. It's free to use with no account required. Browse more calculators here.
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