lb and kg

Convert mass between pounds and kilograms (1 lb = 0.45359237 kg).

FAQ

Avoirdupois or troy pounds?

It uses the international avoirdupois pound: 1 lb = 0.45359237 kg exactly. Non‑negative mass only.

Does the decimal separator matter?

This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.