Weight converter

Convert weight between metric and imperial units. 1 pound is exactly 0.45359237 kg, so 1 kg is about 2.2046 pounds.

Value

From

Result

1 lb = 0.453592 kg

Digits

Same amount, two scales

1 lb

0.4536 kg

Both bars show the same amount: 1 lb on top, 0.4536 kg below.

Quick challenge

Streak 0Best 0

Guess the conversion before you calculate it. How many can you get in a row?

How it works

Weights are converted through the kilogram. The avoirdupois pound used in the US and UK is defined as exactly 0.45359237 kg; an ounce is 1/16 of a pound and a stone is 14 pounds. US (short) and UK (long) tons are different: 2,000 lb versus 2,240 lb.

All units compared

All units compared
Unit	Symbol	Value in kilograms
microgram	µg	0.000000001 kg
milligram	mg	0.000001 kg
gram	g	0.001 kg
kilogram	kg	1 kg
metric ton	t	1,000 kg
carat	ct	0.0002 kg
ounce	oz	0.02834952313 kg
pound	lb	0.45359237 kg
stone	st	6.35029318 kg
short ton (US ton)	US ton	907.18474 kg
long ton (UK ton)	UK ton	1,016.046909 kg

Frequently asked questions

How many pounds are in a kilogram?

1 kilogram is about 2.20462 pounds. To estimate quickly, double the kilograms and add 10%.

Is a metric ton the same as a US ton?

No. A metric ton (tonne) is 1,000 kg, a US short ton is 907.18 kg and a UK long ton is 1,016.05 kg.

How many kilograms are in 1 pound?

1 pound = 0.453592 kilograms. The other way round, 1 kilogram = 2.20462 pounds.

How many pounds are in 1 kilogram?

1 kilogram = 2.20462 pounds. The other way round, 1 pound = 0.45359237 kilograms.