How to convert pounds to kilograms
1 lb = 0.45359237 kg (exact)
kilograms = pounds × 0.45359237
Shortcut: Halve it and take off 10%: 150 lb → 75 − 7.5 = 67.5 kg (exactly 68.04 kg).
Lbs to kg table
| Pounds | Kilograms |
|---|---|
| 1 lb | 0.4536 kg |
| 2 lb | 0.9072 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 20 lb | 9.0718 kg |
| 25 lb | 11.3398 kg |
| 30 lb | 13.6078 kg |
| 40 lb | 18.1437 kg |
| 50 lb | 22.6796 kg |
| 75 lb | 34.0194 kg |
| 100 lb | 45.3592 kg |
| 120 lb | 54.4311 kg |
| 130 lb | 58.967 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 |
| 190 lb | 86.1826 kg |
| 200 lb | 90.7185 kg |
| 250 lb | 113.3981 kg |
| 300 lb | 136.0777 kg |
Values are calculated with exact factors and rounded for the table; the converter above shows full precision.
Worked examples
1 lb to kilograms
1 ÷ 2.204622622
0.4536 kg
150 lb to kilograms
150 ÷ 2.204622622
68.0389 kg
200 lb to kilograms
200 ÷ 2.204622622
90.7185 kg
Questions
How many kg is 1 pound?
Exactly 0.45359237 kg, about 454 grams.
How many kg is 150 lbs?
About 68.04 kg.
How many kg is 200 lbs?
About 90.72 kg.
Related conversions
- Kilograms to pounds (the reverse)
- Ounces to grams
- Grams to ounces
- Weight & mass converter: every weight & mass unit, with the full drawing
The history: The pound and the kilogram: a history of weight.