Seldons
lbs to kg
1 pound = 0.453592 kilograms.
This converter runs entirely in your browser. Nothing you type is sent to a server.
How do you convert pounds to kilograms?
Use this formula. It is exact — these units are defined by international agreement, not measured.
kg = lb ÷ 2.20462262
Example: 10 lb × 0.45359237 = 4.53592 kg.
lbs to kg conversion table
Common values, rounded to six significant figures.
| lb | kg |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 5 lb | 2.26796 kg |
| 10 lb | 4.53592 kg |
| 20 lb | 9.07185 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 120 lb | 54.4311 kg |
| 140 lb | 63.5029 kg |
| 150 lb | 68.0389 kg |
| 160 lb | 72.5748 kg |
| 170 lb | 77.1107 kg |
| 180 lb | 81.6466 kg |
| 200 lb | 90.7185 kg |
| 220 lb | 99.7903 kg |
| 250 lb | 113.398 kg |
Pounds appear on US product listings, gym plates and body weight scales; kilograms are what customs forms, shipping labels and medical charts expect. Note that lb, lbs and pounds all mean the same unit — the abbreviation comes from the Roman libra, which is also why the symbol is not a p.
Values worth remembering
These come up often enough that knowing them saves a lookup.
- 50 lb = 22.6796 kga checked bag limit
- 150 lb = 68.0389 kgan average adult
- 14 lb = 6.35029 kgone stone
Questions people ask
How many kilograms is 1 pound?
1 pound is 0.453592 kilograms.
How many pounds is 1 kilogram?
1 kilogram is 2.20462 pounds.
How do you convert pounds to kilograms in your head?
Use ÷ 2 − 10%. That lands within a percent or so of the exact figure, which is close enough for packing, shipping estimates and shopping — use the calculator when the number has to be right.
Is the pound to kilogram conversion exact?
Yes. The relationship is exact by international agreement, so 0.45359237 is a definition rather than a measurement. Rounding in the answer comes from display, not from the conversion.