Convert Pounds to kilograms
1 pound = 0.453592 kilograms · kg = lb ÷ 2.204622622
When you need this conversion
Airline baggage allowances are the biggest driver here: most international carriers publish limits in kilograms (23 kg checked, 7 kg carry-on) while US domestic carriers use pounds (50 lb). Gym equipment, bodyweight tracking, and recipe portions for meat also force this conversion daily.
Pounds to kilograms conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 3 lb | 1.3608 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 15 lb | 6.8039 kg |
| 20 lb | 9.0718 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 75 lb | 34.0194 kg |
| 100 lb | 45.3592 kg |
| 250 lb | 113.4 kg |
| 500 lb | 226.8 kg |
| 1,000 lb | 453.59 kg |
The formula
kg = lb ÷ 2.204622622Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Kilograms to pounds →Related weight conversions
- Stones to kilograms
- Grams to ounces
- Grams to carats
- Kilograms to stones
- Metric tons to US tons
- Ounces to grams
- US tons to metric tons
- Carats to grams
- Milligrams to kilograms
- Grams to kilograms
- Metric tons to kilograms
- Ounces to kilograms
Frequently asked questions
- How many kilograms are in a pound?
- There are 0.453592 kilograms in 1 pound. The formula is kg = lb ÷ 2.204622622.
- How do you convert pounds to kilograms?
- Use the formula kg = lb ÷ 2.204622622. For example, 10 pounds equals 4.5359 kilograms.
- Is the pounds to kilograms conversion exact?
- Yes. Pounds and kilograms are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is lb short for?
- lb is the standard symbol for pound (also written as lbs). kg is the symbol for kilogram.