Convert pounds to kilograms
kg = lb × 0.453592. 120 lb = 54.4311 kg.
kg = lb × 0.453592 — 1 lb is 0.453592 kg
Common values, converted exactly
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 5 lb | 2.26796 kg |
| 10 lb | 4.53592 kg |
| 20 lb | 9.07185 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 |
| 180 lb | 81.6466 kg |
| 200 lb | 90.7185 kg |
| 250 lb | 113.398 kg |
Related conversions
To convert pounds to kilograms, apply kg = lb × 0.453592. For example, 120 lb = 54.4311 kg, and 1 lb is 0.453592 kg.
One pound is exactly 0.45359237 kg by the 1959 international yard and pound agreement, so a kilogram is about 2.20462 lb. The pound here is the avoirdupois pound — the troy pound used for precious metals is a different unit.
Everything on this page is computed in your browser from the exact definitions above — the table is not a stored list of pre-rounded answers, and neither is the converter. For a unit not covered here, the full unit converter handles length, weight, volume, temperature and cooking measures.
How many kilograms is 120 lb?
120 lb = 54.4311 kg. kg = lb × 0.453592, so any amount converts the same way — the table on this page lists the values most often looked up.
What is the formula for converting pounds to kilograms?
kg = lb × 0.453592. One pound is exactly 0.45359237 kg by the 1959 international yard and pound agreement, so a kilogram is about 2.20462 lb. The pound here is the avoirdupois pound — the troy pound used for precious metals is a different unit.
Is the pounds to kilograms conversion exact?
The underlying relationship is an exact definition, not a measurement. The decimal factor shown (0.453592 kg) is a rounding of it, so results here are given to six significant figures — enough for any practical use, and you can see the exact definition above.
How do I convert kilograms back to pounds?
Use the reverse of the same relationship; the kg to lbs page has its own table and converter.