Convert between pounds and kilograms instantly. Edit either field for bidirectional conversion.
Exactly 1 pound = 0.45359237 kilograms. To convert lbs to kg, multiply by 0.4536. To convert kg to lbs, divide by 0.4536 (or multiply by 2.2046).
Quick mental estimate: Divide pounds by 2.2 to get approximate kilograms. So 150 lbs ÷ 2.2 ≈ 68 kg (actual: 68.04 kg).