Pounds to Kilograms Converter
Multiply pounds by 0.45359237 to get kilograms (or divide by about 2.2046).
Formula
1 lb = 0.45359237 kg
kilograms = pounds × 0.45359237
Worked example
Convert 150 pounds to kilograms
- Multiply by 0.45359237
- 150 × 0.45359237 = 68.0389
150 lb = 68.0389 kg
Good to know
The abbreviation “lb” comes from the Latin libra; “lbs” is an informal plural. A 50 lb bag of flour or dog food is 22.68 kg. For a rough answer, halve the pounds and subtract 10% of the result: 150 lb → 75 − 7.5 = 67.5 kg (exact: 68.04).
Conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 | 0.453592 |
| 2 | 0.907185 |
| 5 | 2.26796 |
| 10 | 4.53592 |
| 20 | 9.07185 |
| 50 | 22.6796 |
| 100 | 45.3592 |
| 120 | 54.4311 |
| 140 | 63.5029 |
| 150 | 68.0389 |
| 160 | 72.5748 |
| 180 | 81.6466 |
| 200 | 90.7185 |
| 250 | 113.398 |
About these units
- Pound (lb)
- The international avoirdupois pound: exactly 0.45359237 kg.
- Kilogram (kg)
- The SI base unit of mass, defined since 2019 through the Planck constant.