Pounds to Kilograms (lb to kg)
Free online pound to kilogram converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
WEIGHT AND MASS CONVERTER — INSTANT RESULT
Formula: multiply the pound value by 0.45359237 — i.e. kg = lb × 0.45359237
Quick check: 1 lb = 0.45359237 kg
Quick check: 1 lb = 0.45359237 kg
Pounds to Kilograms conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 3 lb | 1.36077711 kg |
| 4 lb | 1.81436948 kg |
| 5 lb | 2.26796185 kg |
| 6 lb | 2.72155422 kg |
| 7 lb | 3.17514659 kg |
| 8 lb | 3.62873896 kg |
| 9 lb | 4.08233133 kg |
| 10 lb | 4.5359237 kg |
| 15 lb | 6.80388555 kg |
| 20 lb | 9.0718474 kg |
| 25 lb | 11.33980925 kg |
| 30 lb | 13.6077711 kg |
| 40 lb | 18.1436948 kg |
| 50 lb | 22.6796185 kg |
| 75 lb | 34.01942775 kg |
| 100 lb | 45.359237 kg |
| 250 lb | 113.3980925 kg |
| 500 lb | 226.796185 kg |
| 1,000 lb | 453.59237 kg |
How to convert pounds to kilograms
To convert pounds to kilograms, multiply the amount in pounds by 0.45359237. For example, 10 lb = 4.5359237 kg. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between metric, avoirdupois, troy and apothecary mass units. The kilogram is the SI base unit of mass; pounds and ounces below follow the international avoirdupois definitions (1 lb = 0.45359237 kg exactly).
Frequently asked questions
How many kilograms are in one pound?
One pound is exactly 0.45359237 kilograms.
How do I convert lb to kg?
Multiply the lb value by 0.45359237 to get kg. The converter at the top of this page does this automatically and works in both directions.
How much is 100 pounds in kilograms?
100 pounds equals 45.359237 kilograms.