Convert Pounds to Kilograms (lb to kg)
Enter a value in pounds to convert it to kilograms instantly.
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Convert Pounds to Kilograms (lb to kg)
Pounds (lb) are an imperial weight unit; kilograms (kg) are the metric standard used by doctors and gyms in the UK. One pound equals 0.45359 kg, so the calculator above gives the answer the instant you type.
The formula
kilograms = pounds × 0.45359. To convert the other way, divide by 0.45359 (or use the swap button above).
Worked example
To convert 150 lb to kilograms: 150 × 0.45359 = 68.0388 kg. To estimate quickly, halve the pounds and take off a little — 150 lb is roughly 68 kg.
Pounds to Kilograms conversion table
| lb | kg |
|---|---|
| 1 lb | 0.45359 kg |
| 2 lb | 0.90718 kg |
| 5 lb | 2.26796 kg |
| 10 lb | 4.53592 kg |
| 20 lb | 9.07184 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 150 lb | 68.0388 kg |
| 200 lb | 90.7184 kg |
| 250 lb | 113.398 kg |
Related conversions
Frequently Asked Questions
1 lb = 0.45359 kg.
150 × 0.45359 = 68.0388 kg.
Multiply the number of pounds by 0.45359. To estimate quickly, halve the pounds and take off a little — 150 lb is roughly 68 kg.