Convert Pounds to Kilograms
Pounds to Kilograms conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907184 kg |
| 5 lb | 2.26796 kg |
| 10 lb | 4.53592 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 200 lb | 90.7184 kg |
| 500 lb | 226.796 kg |
| 1000 lb | 453.592 kg |
How to convert pounds to kilograms
Pounds measure weight in the US customary system, while kilograms are the SI unit of mass used globally. The international avoirdupois pound is defined as exactly 0.45359237 kilograms. Medical dosages, scientific research, and international shipping all prefer kilograms.
Multiply pounds by 0.453592 to get kilograms. Formula: kg = lb × 0.453592. A 150 lb person weighs 150 × 0.453592 = 68.04 kg. A 10 lb dumbbell is 4.54 kg.
Converting gym weights, produce sold by the pound, and newborn birth weights (often reported in lb oz in the US, kg elsewhere) are everyday applications. A 50 lb suitcase is 22.68 kg.
Shortcut: divide pounds by 2.2 for a close estimate. 200 lb ÷ 2.2 ≈ 90.9 kg (exact: 90.72 kg).
Related conversions
Frequently asked questions
150 lb × 0.453592 = 68.04 kg.
1 lb = 0.453592 kg (or more precisely 0.45359237 kg). Defined by international agreement.
Convert total ounces to pounds (oz ÷ 16), then multiply by 0.453592. Or convert ounces directly: 1 oz = 0.0283495 kg.