kg to lbs Converter

How to convert kg to lbs

lb = kg ÷ 0.45359237   kg = lb × 0.45359237

The pound is defined as exactly 0.45359237 kg, so dividing by that number is exact. Dividing by 0.45359237 is the same as multiplying by about 2.20462262, which is the factor most people remember.

Example: 70 kg ÷ 0.45359237 = 154.3235835 lb, or 11 st 0.3 lb. A 3.5 kg baby weighs 7.71618 lb, or 7 lb 11.5 oz.

kg to lbs table

lbs to kg table

Stones, pounds and ounces

In the UK and Ireland body weight is often given in stones and pounds: one stone is 14 pounds (6.35029318 kg). Baby weights and small items in the US and UK are often given in pounds and ounces: one pound is 16 ounces. The converter shows both automatically.

Common questions

Is 1 kg exactly 2.2 lb?

No, 1 kg is about 2.2046 lb. Using 2.2 underestimates by about 0.2%, which is 0.2 lb for a 100 kg person. That is fine for rough estimates, but this converter uses the exact definition.

Is “lbs” correct?

The official abbreviation for pound is “lb” for both singular and plural (from the Latin libra). “lbs” is widely used informally and means the same thing.