Pounds to Kilograms Converter
Convert pounds (lbs) to kilograms (kg) instantly. 1 lb = 0.45 kg.
1 lbs = 0.45 kg
0.4536 kilograms
Lbs to Kg Conversion Table
| Pounds (lbs) | Kilograms (kg) |
|---|---|
| 1 lbs | 0.45 kg |
| 5 lbs | 2.27 kg |
| 10 lbs | 4.54 kg |
| 20 lbs | 9.07 kg |
| 50 lbs | 22.68 kg |
| 100 lbs | 45.36 kg |
| 120 lbs | 54.43 kg |
| 150 lbs | 68.04 kg |
| 180 lbs | 81.65 kg |
| 200 lbs | 90.72 kg |
How to Convert Pounds to Kilograms
To convert pounds to kilograms, multiply the weight in pounds by 0.453592. Alternatively, divide by 2.20462 for the same result.
kilograms = pounds × 0.453592
Example Calculations
- 150 lbs to kg: 150 × 0.453592 = 68.04 kilograms
- 180 lbs to kg: 180 × 0.453592 = 81.65 kilograms
- 200 lbs to kg: 200 × 0.453592 = 90.72 kilograms
Quick Mental Math
For a quick approximation, divide pounds by 2.2. For example, 150 lbs ÷ 2.2 ≈ 68 kg. This gives you a reasonably accurate estimate for everyday use.
Common Uses
- Converting body weight for international travel or medical records
- Understanding product specifications from different countries
- Following fitness programs with metric measurements
- Cooking and recipes from metric countries
- Scientific and academic purposes
Frequently Asked Questions
How many kilograms are in 1 pound?
1 pound is equal to 0.453592 kilograms. This is the exact conversion factor used internationally since 1959.
How do I convert lbs to kg?
To convert pounds to kilograms, multiply the weight in pounds by 0.453592, or divide by 2.20462. For example, 150 lbs × 0.453592 = 68.04 kg.
What is 180 lbs in kg?
180 pounds is equal to 81.65 kilograms (180 × 0.453592 = 81.65 kg).
Is 1 kg equal to 2 lbs?
Not exactly. 1 kg equals 2.20462 lbs, which is slightly more than 2 lbs. For a rough estimate, you can use 1 kg ≈ 2.2 lbs.
Why is kg used more than lbs worldwide?
Kilograms are part of the metric system (SI), which is the international standard for measurements. Only a few countries, primarily the US, still use pounds as their main unit of weight.