Enter a value and select Convert.
Exact relationship and formula
1 international avoirdupois pound = 0.45359237 kilograms exactly. Pounds = kilograms ÷ 0.45359237.
Reverse mode applies the inverse relationship from the same exact definition.
Worked example
70 kg is approximately 154.3235835 lb. In reverse, 100 lb equals 45.359237 kg.
The secondary pounds-and-ounces result is normalized so the ounce component remains below 16.
Common kilograms reference values
| Kilograms | Conversion |
|---|---|
| 1 kg | 2.20462262185 lb |
| 5 kg | 11.0231131092 lb |
| 10 kg | 22.0462262185 lb |
| 25 kg | 55.1155655462 lb |
| 50 kg | 110.231131092 lb |
| 100 kg | 220.462262185 lb |
Related converters
Inputs and results stay in this browser and are not sent to analytics, storage, URLs, or network services.