1 lb
0.4536 kg
Lbs to kg Converter (Pounds to Kilograms)
1 pound = 0.45359237 kilograms. To convert lb to kg, multiply by 0.45359237, or divide by 2.204622622.
1 kg
2.2046 lb
10 lb
4.5359 kg
100 lb
45.3592 kg
How to convert lbs to kg
1 pound equals 0.45359237 kilograms, so the conversion is a single multiplication.
kg = lb × 0.45359237
Example: 150 lb × 0.45359237 = 68.039 kg.
About the pound and the kilogram
Pound (lb)
The pound used in the US is the international avoirdupois pound, fixed in 1959 at exactly 0.45359237 kg. Its “lb” symbol comes from the Roman libra. It's the everyday unit for body weight, groceries and shipping in the US.
Kilogram (kg)
The kilogram is the SI base unit of mass, used by almost every country. Since 2019 it has been defined through a fixed value of the Planck constant instead of a metal cylinder kept near Paris.
1 pound in every weight unit
Kilograms0.4536 kgGrams453.592 gOunces16 ozStone0.07143 st
Milligrams453,592.37 mg
Metric Tons0.0004536 tShort Tons (US)0.0005 tonLong Tons (UK)0.0004464 LT
Carats2,267.962 ct
Grains7,000 gr
Troy Ounces14.583 oz t
Troy Pounds1.215 lb t
Pennyweights291.667 dwt
Micrograms453,592,370 µg
Slugs0.03108 slug
Hundredweight (US)0.01 US cwt
Hundredweight (UK)0.008929 UK cwt
Related conversions
kg to lbsReverse conversionoz to lbs1 oz = 0.0625 lblbs to oz1 lb = 16 ozGrams to lbs1 g = 0.002205 lblbs to Grams1 lb = 453.5924 gkg to Grams1 kg = 1,000 gGrams to kg1 g = 0.001 kgStone to lbs1 st = 14 lblbs to Stone1 lb = 0.07143 stStone to kg1 st = 6.3503 kgkg to Stone1 kg = 0.1575 stTons to lbs1 ton = 2,000 lb
Quick answers
lbs to kg FAQ
How many kilograms are in a pound?
1 pound = 0.45359237 kilograms.
How many pounds are in a kilogram?
1 kilogram = 2.204622622 pounds.
How do I convert lb to kg?
Use kg = lb × 0.45359237. For example, 10 lb = 4.536 kg.
Can I print this lbs to kg chart?
Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.