The Conversion Factor
These are exact internationally defined values.
2.20462 pounds
1 kilogram
0.453592 kg
1 pound
Multiply by 2.2
Quick mental math
Kilograms → Pounds Formula
lbs = kg × 2.20462
For quick mental math: multiply by 2.2 (error: −0.2%)
Examples
| Kilograms | Calculation | Pounds |
|---|---|---|
| 1 kg | 1 × 2.20462 | 2.205 lbs |
| 5 kg | 5 × 2.20462 | 11.023 lbs |
| 50 kg | 50 × 2.20462 | 110.23 lbs |
| 70 kg | 70 × 2.20462 | 154.32 lbs |
| 100 kg | 100 × 2.20462 | 220.46 lbs |
Pounds → Kilograms Formula
kg = lbs × 0.453592
Or: kg = lbs ÷ 2.20462
Examples
| Pounds | Calculation | Kilograms |
|---|---|---|
| 1 lb | 1 × 0.453592 | 0.454 kg |
| 10 lbs | 10 × 0.453592 | 4.536 kg |
| 100 lbs | 100 × 0.453592 | 45.36 kg |
| 150 lbs | 150 × 0.453592 | 68.04 kg |
| 200 lbs | 200 × 0.453592 | 90.72 kg |
lbs = kg × 2.20462
# Quick: multiply by 2.2
# Better: (kg × 2) + (kg × 0.2)
# Example: 70 kg → 140 + 14 = 154 lbs ✓Body Weight Reference Table
The most common use case — converting body weight between kg and pounds.
| kg | lbs | kg | lbs |
|---|---|---|---|
| 45 kg | 99.2 lbs | 80 kg | 176.4 lbs |
| 50 kg | 110.2 lbs | 85 kg | 187.4 lbs |
| 55 kg | 121.3 lbs | 90 kg | 198.4 lbs |
| 60 kg | 132.3 lbs | 95 kg | 209.4 lbs |
| 65 kg | 143.3 lbs | 100 kg | 220.5 lbs |
| 70 kg | 154.3 lbs | 110 kg | 242.5 lbs |
| 75 kg | 165.3 lbs | 120 kg | 264.6 lbs |
Cooking & Food Reference
Recipe measurements frequently mix metric and imperial units.
| Food amount | kg | lbs / oz |
|---|---|---|
| Bag of flour | 1 kg | 2.2 lbs |
| Large chicken | 1.5 kg | 3.3 lbs |
| Roast beef | 2 kg | 4.4 lbs |
| Slice of bread | 0.03 kg | 1 oz |
| Stick of butter | 0.113 kg | 4 oz (¼ lb) |
| Standard egg | 0.05 kg | 1.8 oz |
Mental-Math Shortcuts
kg → lbs: Multiply by 2.2 by doing (×2) + (×0.2).
Example: 70 kg → 140 + 14 = 154 lbs ✓
lbs → kg: Divide by 2, then subtract 10% of the result.
Example: 154 lbs → 77 − 7.7 = 69.3 kg (actual: 69.9 kg — close enough)
Related Weight Units
| Unit | Equivalent |
|---|---|
| 1 metric ton (tonne) | 1,000 kg = 2,204.6 lbs |
| 1 stone (UK) | 14 lbs = 6.35 kg |
| 1 US ton (short ton) | 2,000 lbs = 907.2 kg |
| 1 gram | 0.001 kg = 0.00220 lbs |
| 1 ounce | 0.0625 lbs = 28.35 g |
Use our Weight Converter to convert between kilograms, pounds, stones, grams, ounces, and metric tons instantly.