Pounds to Kilograms Converter
Convert lbs to kg easily.
Result
0
Kilograms
1 Pounds (lbs) = 0.453592 Kilograms
How to convert Pounds (lbs) to Kilograms?
How many Kilograms are in Pounds (lbs)? The relationship is:
- 1 lb = 0.453592 kg
- 1 kg = 2.20462 lb
To convert Pounds (lbs) to Kilograms, multiply the value by 0.453592.
Formula: Kilograms = Pounds (lbs) × 0.453592
Step-by-Step Calculation
- Take the number of Pounds (lbs) you want to convert (e.g., 100).
- Multiply that value by 0.453592.
- The result is the value in Kilograms. (Example: 100 × 0.453592 = 45.3592 Kilograms).
How to use this converter?
Enter pounds (lbs) and get kilograms (kg) instantly—useful for fitness tracking, shipping weights, and everyday conversions.
Common Pounds to Kilograms Conversions
Quick reference guide for popular pound values.
0.5 lb = 0.2268 kg
1 lb = 0.4536 kg
2 lbs = 0.9072 kg
5 lbs = 2.268 kg
10 lbs = 4.5359 kg
20 lbs = 9.0718 kg
50 lbs = 22.6796 kg
100 lbs = 45.3592 kg
150 lbs = 68.0388 kg
200 lbs = 90.7184 kg
History: What is a pound (lb)?
The pound (lb) is a widely used unit of mass in the US customary and imperial systems. Today, it’s standardized and commonly used for body weight, packaged goods, and shipping.
Common Pounds to Kilograms Conversions
| Pounds Input | Kilograms Result |
|---|---|
| 0.5 lb | 0.2268 kg |
| 1 lb | 0.4536 kg |
| 2 lbs | 0.9072 kg |
| 5 lbs | 2.268 kg |
| 10 lbs | 4.5359 kg |
| 20 lbs | 9.0718 kg |
| 50 lbs | 22.6796 kg |
| 100 lbs | 45.3592 kg |
| 150 lbs | 68.0388 kg |
| 200 lbs | 90.7184 kg |
Frequently Asked Questions
How do I convert pounds to kilograms?
Multiply pounds by 0.453592 to get kilograms.
How many kilograms is 100 lbs?
100 lbs equals 45.3592 kg.
How many kilograms is 1 lb?
1 lb equals 0.453592 kg (about 0.4536 kg).
Can I convert kg back to lbs?
Yes. Multiply kilograms by 2.20462 to get pounds.
Is the conversion exact?
The pound is defined in relation to the kilogram, so the conversion is standardized; rounding depends on how many decimal places you use.