Weight & Mass Converter
Pounds to Kilograms Converter
Convert weight from imperial pounds (lbs) to metric kilograms (kg).
Weight & Mass
(lb)
Example: 150 lb
(kg)
e.g. 68.0389kg
Standard: SI Base Unit (1 kg = 1,000 g ≈ 2.20462 lb)
Enter any number above to convert Pounds to Kilograms. Click (i) for brief unit info.
Converting the other way?
Switch directly to the reverse calculator: Kilograms to Pounds Converter
How to Convert Pound to Kilogram
Official Mathematical Formula
kilograms = pounds × 0.45359237
Where the input value in lb is transformed using the exact standardized conversion factor to produce the output in kg.
Practical Calculation Example
You can verify this calculation directly using our interactive tool above.
Quick Conversion Reference Table (lb → kg)
Pound (lb) | Kilogram (kg) | Copy |
|---|---|---|
| 1 lb | 0.45359 kg | |
| 2 lb | 0.90718 kg | |
| 3 lb | 1.36078 kg | |
| 5 lb | 2.26796 kg | |
| 10 lb | 4.53592 kg | |
| 15 lb | 6.80389 kg | |
| 20 lb | 9.07185 kg | |
| 25 lb | 11.3398 kg | |
| 50 lb | 22.6796 kg | |
| 75 lb | 34.0194 kg | |
| 100 lb | 45.3592 kg | |
| 250 lb | 113.3981 kg | |
| 500 lb | 226.7962 kg | |
| 1000 lb | 453.5924 kg |
Related Weight & Mass Calculators
All Weight & Mass Tools →Pound to Kilogram FAQs
150 pounds is equal to 68.0389 kilograms.