Kg to Lbs: How to Convert Kilograms to Pounds
The exact kilogram-to-pound conversion factor, a quick reference table for common weights, and a fast mental-math estimate.
1 kilogram equals exactly 2.2046226218 pounds, and 1 pound equals exactly 0.45359237 kilograms — both fixed by international agreement since 1959, so there's no rounding ambiguity in either direction.
Quick reference
| Kilograms | Pounds | Pounds | Kilograms |
|---|---|---|---|
| 1 kg | 2.20 lb | 1 lb | 0.45 kg |
| 5 kg | 11.02 lb | 10 lb | 4.54 kg |
| 50 kg | 110.23 lb | 100 lb | 45.36 kg |
| 100 kg | 220.46 lb | 200 lb | 90.72 kg |
A fast mental-math estimate
To roughly convert kilograms to pounds, double the number and add about 10% — for example, 50 kg doubled is 100, plus 10% is 110 lb, close to the exact 110.23 lb. This shortcut is accurate to within about 1% across typical body-weight and shipping-weight ranges.
Where this comes up
Body weight, luggage and shipping limits, and nutrition labels are the most common places this conversion matters, especially when traveling between countries that use different default units.
Convert kilograms, pounds, ounces, stone, and more instantly in the Unit Converter. If you're converting weight specifically to check a healthy range rather than just switching units, the BMI Calculator accepts both metric and imperial input directly.