UnitConverter

Lbs to Kg (Pounds to Kilograms) Converter

1 pound = 0.453592 kilograms exactly. Enter any weight in pounds to convert to kilograms.

Formula:1 lb = 0.453592 kg
⇄ Switch to kg To lbs
Pound
lb
Kilogram
kg
Pound to Kilogram — common values
1 lb0.453592 kg
5 lb2.26796 kg
10 lb4.53592 kg
50 lb22.6796 kg
100 lb45.3592 kg
500 lb226.796 kg
1,000 lb453.592 kg

How to convert lbs To kg

To convert lbs to kg, use the formula: 1 lb = 0.453592 kg. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to kg To lbs” link to reverse the conversion.

All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.

Frequently Asked Questions

What is the formula to convert lbs To kg?
1 lb = 0.453592 kg. 1 pound = 0.453592 kilograms exactly. Enter any weight in pounds to convert to kilograms.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert kg To lbs?
Use the kg To lbs converter or click the ⇄ switch button above.
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