To convert kilograms to pounds, divide by 0.45359237 (or multiply by about 2.20462). 70 kg is 154.32 lb, and 100 kg is 220.46 lb.
Kilograms are used for body weight in most countries, in hospitals and on most airline baggage rules. The chart covers luggage limits, barbells and typical adult weights.
How to use the kg to lbs converter
- Type the value in kilograms into the box. Decimals are fine.
- The result in pounds updates as you type, along with the working.
- Need the other way? Switch the direction menu, or open the lbs to kg converter.
Formula
The international avoirdupois pound is defined as exactly 0.45359237 kg (since 1959). The reverse factor, 2.20462262…, never ends, which is why kg → lb results are rounded.
Worked example
Convert 70 kg to pounds.
- 70 ÷ 0.45359237 = 154.3236.
- Result: 154.32 lb.
Barbell example: an Olympic men's bar is 20 kg, which is 44.09 lb. A 23 kg bag limit is 50.71 lb.
Kilograms to pounds chart
Common values, rounded to 2 decimal places.
| Kilograms (kg) | Pounds (lb) |
|---|---|
| 1 kg | 2.2 lb |
| 2 kg | 4.41 lb |
| 3 kg | 6.61 lb |
| 5 kg | 11.02 lb |
| 10 kg | 22.05 lb |
| 15 kg | 33.07 lb |
| 20 kg | 44.09 lb |
| 23 kg | 50.71 lb |
| 25 kg | 55.12 lb |
| 30 kg | 66.14 lb |
| 40 kg | 88.18 lb |
| 50 kg | 110.23 lb |
| 55 kg | 121.25 lb |
| 60 kg | 132.28 lb |
| 65 kg | 143.3 lb |
| 70 kg | 154.32 lb |
| 75 kg | 165.35 lb |
| 80 kg | 176.37 lb |
| 90 kg | 198.42 lb |
| 100 kg | 220.46 lb |
| 1,000 kg | 2,204.62 lb |
Where kilograms show up
- Medicine: drug doses and BMI formulas use kg, even in US hospitals. To check BMI, use the bmi calculator.
- Airlines: 23 kg checked and 7–10 kg carry-on are common limits.
- Weightlifting: competition plates and bars are in kg (25 kg red plate = 55.1 lb).
- Food: produce and bulk goods sold per kg; 1 kg is 2.2 lb.
Quick mental math
Double it, then add 10% of the doubled number. 80 kg: 160 + 16 = 176 lb (exact: 176.37).
Related conversions
Going the other way: lbs to kg converter. Related pages: stone to lbs converter, lbs to stone converter, ounces to grams converter. For other units in the same family, use the full weight converter.
Caveats and assumptions
- Results show up to 10 significant digits; the chart is rounded for reading. Keep full precision for engineering, medical or legal work.
Frequently asked questions
How many pounds is 1 kg?
About 2.20462 lb.
How many pounds is 100 kg?
220.46 lb.
How do I convert kg to stones and pounds?
Convert to pounds, then divide by 14 on the lbs to stone converter page. 70 kg = 154.3 lb = 11 st 0.3 lb.
Are kilograms mass or weight?
Strictly, kilograms measure mass and pounds (avoirdupois) are also defined as a mass, so the conversion holds anywhere. Scales read the same at sea level on Earth.
Sources
- NIST — SI Units: Mass — kilogram and the exact avoirdupois pound
- NIST SP 811 Appendix B.9 — Conversion factors — pound (avoirdupois) to kilogram
This calculator gives estimates for planning and education. Check measurements, local codes, supplier specs and your school's official policy before relying on a result. See our disclaimer and how we build and check calculators.