Private by design. Values are converted on your device and never uploaded.
LBS to KG converter
Enter a number, fraction, power, π, or arithmetic expression.1 lb = 0.45359237 kg kilograms = pounds × 0.45359237
Ready for local conversionLBS to KG formula
kilograms = pounds × 0.45359237
1 pound = exactly 0.45359237 kilograms
The international avoirdupois pound has been defined as exactly 0.45359237 kilogram since 1959.
How to convert Pounds to Kilograms
Multiply pounds by exactly 0.45359237. For a quick estimate, dividing pounds by 2.2 gives a nearby kilogram value, but the full multiplier is more accurate.
Example calculation
A 10 lb item has a mass of 4.5359237 kg: 10 × 0.45359237 = 4.5359237.
10 lb = 4.5359237 kg
When this conversion is useful
Use pounds to kilograms for medical forms, airline baggage, sports categories, international shipping, or comparing weight labels from different markets.
Common Pounds to Kilograms conversions
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 | 0.45359237 |
| 5 | 2.26796185 |
| 10 | 4.5359237 |
| 25 | 11.33980925 |
| 50 | 22.6796185 |
| 100 | 45.359237 |
LBS to KG FAQ
One international avoirdupois pound is exactly 0.45359237 kilogram.
One hundred pounds equals exactly 45.359237 kilograms before display rounding.
No. lb is the standard abbreviation for pound, while lbs is a common informal way to indicate multiple pounds.