Pounds to Kilograms converter

Type a value in either box and the other fills in instantly — no button, no waiting.

Type in either box — the other updates instantly.

Quick reference

PoundsKilograms
1 pounds0.4536 kilograms
2 pounds0.9072 kilograms
5 pounds2.268 kilograms
10 pounds4.5359 kilograms
25 pounds11.3398 kilograms
50 pounds22.6796 kilograms
100 pounds45.3592 kilograms

About this tool

1 pound = exactly 0.45359237 kilograms. Multiply pounds by 0.4536. Like every tool on this site, the conversion happens on your device — the numbers you type never leave your browser.

Common questions

How do I convert pounds to kilograms by hand? 1 pound = exactly 0.45359237 kilograms. Multiply pounds by 0.4536.

Is this converter exact? It uses the standard defined conversion factors and rounds the display to at most 6 decimal places — more precision than any tape measure, scale, or recipe can use.

Private by design: this tool runs entirely in your browser. Nothing you type or open here is uploaded, stored, or tracked.