Pound to Kilogram

1 lb = 0.45359237 kg

Value

From

Precision & format

Significant figures

Notation

1 lb equals

0.45359237kg

All 21 units

Kilogramkg
0.45359237
Gramg
453.59237
Milligrammg
453,592.37
Microgramµg
453,592,370
Tonnet
metric ton
0.00045359237
Poundlb
1
Ounceoz
16
Stonest
0.07142857143
Short tonton (US)
US, 2000 lb
0.0005
Long tonton (UK)
UK, 2240 lb
0.0004464285714
Hundredweight (US)cwt (US)
100 lb
0.01
Hundredweight (UK)cwt (UK)
112 lb
0.008928571429
Graingr
7,000
Dramdr
256
Caratct
metric, 200 mg
2,267.96185
Troy ounceoz t
14.58333333
Troy poundlb t
1.215277778
Pennyweightdwt
291.6666667
Quintalq
metric, 100 kg
0.0045359237
Slugslug
0.03108095017
Atomic mass unitu
2.731597101 × 10²⁶

Pound to Kilogram table

Common Pound values converted to Kilogram
Pound (lb)	Kilogram (kg)
1	0.45359237
2	0.90718474
5	2.2679619
10	4.5359237
20	9.0718474
50	22.679619
100	45.359237
250	113.39809
500	226.79619
1,000	453.59237

How the conversion works

Multiply the pound figure by 0.45359237 to get kilogram. Every factor on this site is anchored to the SI base unit for weight & mass, so the same number is used everywhere it appears.

Going the other way, 1 kg = 2.2046226 lb — see kilogram to pound.

See all 21 weight & mass units →