Pound to Kilogram Formula
The complete formula for converting pounds (lb) to kilograms (kg). See the formula, how it works, and worked examples below.
lb × 0.453592 = kg
How the Formula Works
To convert pounds to kilograms, divide the value by 2.2 (or multiply by 0.4536). This works because 1 pound equals 0.4536 kilograms.
Worked Examples
1 lb to kg
- Start with 1 lb
- Multiply by 0.453592: 1 × 0.453592 = 0.4536
- Result: 1 lb = 0.4536 kg
5 lb to kg
- Start with 5 lb
- Multiply by 0.453592: 5 × 0.453592 = 2.27
- Result: 5 lb = 2.27 kg
10 lb to kg
- Start with 10 lb
- Multiply by 0.453592: 10 × 0.453592 = 4.54
- Result: 10 lb = 4.54 kg
50 lb to kg
- Start with 50 lb
- Multiply by 0.453592: 50 × 0.453592 = 22.68
- Result: 50 lb = 22.68 kg
100 lb to kg
- Start with 100 lb
- Multiply by 0.453592: 100 × 0.453592 = 45.36
- Result: 100 lb = 45.36 kg
Reverse Formula: Kilogram to Pound
kg × 2.204623 = lb
See the full Kilogram to Pound formula for worked examples.
Related
Frequently Asked Questions
The formula is: lb × 0.453592 = kg. See the worked examples above for step-by-step breakdowns, or use the Pound to Kilogram converter for instant results.
10 pounds = 4.54 kilograms. Apply the formula: lb × 0.453592 = kg.