Unit converter
Convert pounds to kilograms
Enter a value in pounds to calculate the equivalent in kilograms using the authoritative EzyCalculator unit engine.
How to convert lb to kg
Pounds to kilograms is useful for medical forms, travel limits, fitness tracking and product weights that require metric units.
Formula: kg = lb × 0.453592
Reverse formula: lb = kg × 2.204623
Worked example: 1 lb = 0.453592 kg.
Useful for: Body weight, luggage and product mass in kilograms.
Common lb to kg conversions
| pounds | kilograms |
|---|---|
| 1 lb | 0.453592 kg |
| 5 lb | 2.267962 kg |
| 10 lb | 4.535924 kg |
| 25 lb | 11.339809 kg |
| 50 lb | 22.679619 kg |
| 100 lb | 45.359237 kg |
| 150 lb | 68.038856 kg |
| 200 lb | 90.718474 kg |
About the units
A pound is an imperial unit represented by lb. A kilogram is a metric unit represented by kg. Calculations use the same authoritative registry as the full weight converter, retaining full precision until display.