Pounds and kilograms
Pounds are still common in the United States for personal and commercial weights, while kilograms are the global SI standard for mass.
A quick lbs-to-kg converter helps when comparing gym progress, reading health forms, or checking shipping and baggage rules.
Common pounds to kilograms conversions
| Pounds (lbs) | Kilograms (kg) |
|---|
| 1 lbs | 0.45 kg |
| 100 lbs | 45.36 kg |
| 150 lbs | 68.04 kg |
| 200 lbs | 90.72 kg |
Pounds to Kilograms formula
To convert pounds to kilograms, multiply the pounds value by 0.45359237. To convert in the opposite direction, divide by the same number (or multiply by 2.2). The relationship is exact and linear, so the same factor works for any value.
- Pounds → Kilograms: kg = lbs × 0.45359237
- Kilograms → Pounds: lbs = kg ÷ 0.45359237
Pounds to Kilograms conversion chart
Use this quick-reference chart for the most common pounds-to-kilograms values. Each result is calculated with the exact 0.45359237 factor.
| Pounds (lbs) | Kilograms (kg) |
|---|
| 1 lbs | 0.45 kg |
| 2 lbs | 0.91 kg |
| 3 lbs | 1.36 kg |
| 5 lbs | 2.27 kg |
| 10 lbs | 4.54 kg |
| 25 lbs | 11.34 kg |
| 50 lbs | 22.68 kg |
| 100 lbs | 45.36 kg |