Pounds to Kilograms (lb to kg) Converter
1 pound (lb) = 0.453592 kilograms (kg). To convert pounds to kilograms, multiply by 0.453592: 150 lb × 0.453592 = 68.0389 kg. Also searched as pound to kilo, lbs to kg, pounds to kilos.
Quick facts
- 1 lb = 0.453592 kg
- 1 kg = 2.20462 lb
- Formula: kg = lb × 0.453592
- Quick estimate: multiply by about 0.45
How to convert pounds to kilograms
- Take the value in pounds.
- Multiply it by 0.453592 (the number of kilograms in one pound).
- Round the result to the precision you need.
Worked example (a person's body weight): 150 lb × 0.453592 = 68.0389 kg.
To convert kilograms back to pounds, multiply by 2.20462, or divide by 0.453592.
Source: NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page.
Pounds to Kilograms conversion table
| Pounds [lb] | Kilograms [kg] |
|---|---|
| 0.01 lb | 0.0045359237 kg |
| 0.1 lb | 0.045359237 kg |
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 3 lb | 1.36077711 kg |
| 5 lb | 2.26796185 kg |
| 10 lb | 4.5359237 kg |
| 20 lb | 9.0718474 kg |
| 50 lb | 22.6796185 kg |
| 100 lb | 45.359237 kg |
| 1000 lb | 453.59237 kg |
lb to kg chart from 1 to 100
- 1 lb 0.453592 kg
- 2 lb 0.907185 kg
- 3 lb 1.36078 kg
- 4 lb 1.81437 kg
- 5 lb 2.26796 kg
- 6 lb 2.72155 kg
- 7 lb 3.17515 kg
- 8 lb 3.62874 kg
- 9 lb 4.08233 kg
- 10 lb 4.53592 kg
- 11 lb 4.98952 kg
- 12 lb 5.44311 kg
- 13 lb 5.8967 kg
- 14 lb 6.35029 kg
- 15 lb 6.80389 kg
- 16 lb 7.25748 kg
- 17 lb 7.71107 kg
- 18 lb 8.16466 kg
- 19 lb 8.61826 kg
- 20 lb 9.07185 kg
- 25 lb 11.3398 kg
- 30 lb 13.6078 kg
- 35 lb 15.8757 kg
- 40 lb 18.1437 kg
- 45 lb 20.4117 kg
- 50 lb 22.6796 kg
- 55 lb 24.9476 kg
- 60 lb 27.2155 kg
- 65 lb 29.4835 kg
- 70 lb 31.7515 kg
- 75 lb 34.0194 kg
- 80 lb 36.2874 kg
- 85 lb 38.5554 kg
- 90 lb 40.8233 kg
- 95 lb 43.0913 kg
- 100 lb 45.3592 kg
Kilograms to Pounds conversion table
| Kilograms [kg] | Pounds [lb] |
|---|---|
| 0.01 kg | 0.0220462262 lb |
| 0.1 kg | 0.2204622622 lb |
| 1 kg | 2.2046226218 lb |
| 2 kg | 4.4092452437 lb |
| 3 kg | 6.6138678655 lb |
| 5 kg | 11.0231131092 lb |
| 10 kg | 22.0462262185 lb |
| 20 kg | 44.092452437 lb |
| 50 kg | 110.2311310924 lb |
| 100 kg | 220.4622621849 lb |
| 1000 kg | 2204.6226218488 lb |
Pounds vs Kilograms
| Pound | Kilogram | |
|---|---|---|
| Symbol | lb | kg |
| Equals | 1 lb = 0.453592 kg | 1 kg = 2.20462 lb |
What is a pound?
A US customary and imperial unit equal to exactly 0.45359237 kilograms. The standard everyday weight unit in the US, including body weight.
What is a kilogram?
The SI base unit of mass, defined today by a fixed value of the Planck constant. The standard mass unit worldwide for body weight, groceries, and shipping outside the US.
Pounds to Kilograms Chart (lb to kg, lbs to kg)
To convert pounds to kilograms, multiply by 0.45359237 (an exact figure), or divide by 2.20462.
| Pounds | Kilograms | Pounds | Kilograms |
|---|---|---|---|
| 100 lb | 45.36 kg | 200 lb | 90.72 kg |
| 110 lb | 49.9 kg | 210 lb | 95.25 kg |
| 120 lb | 54.43 kg | 220 lb | 99.79 kg |
| 130 lb | 58.97 kg | 230 lb | 104.33 kg |
| 140 lb | 63.5 kg | 240 lb | 108.86 kg |
| 150 lb | 68.04 kg | 250 lb | 113.4 kg |
| 160 lb | 72.57 kg | 260 lb | 117.93 kg |
| 170 lb | 77.11 kg | 270 lb | 122.47 kg |
| 180 lb | 81.65 kg | 280 lb | 127.01 kg |
| 190 lb | 86.18 kg | 300 lb | 136.08 kg |
The quick mental method
Halve the pounds, then subtract 10% of that. For 150 lb: 75 − 7.5 = 67.5 kg, against the exact 68.04 kg.
See also: all weight and mass units.
Frequently asked questions
How many kg is 150 lb?
150 lb = 68.04 kg.
How many kg is 200 lb?
200 lb = 90.72 kg.
How many kilograms are in a pound?
There are 0.453592 kilograms in 1 pound (1 lb = 0.45359237 kg).
How many pounds are in a kilogram?
There are 2.20462 pounds in 1 kilogram (1 kg = 2.2046226218 lb).
How do I convert pounds to kilograms?
Multiply the number of pounds by 0.453592. For example, 10 lb × 0.453592 = 4.53592 kg. To convert back, multiply by 2.20462.
What is 10 lb in kilograms?
10 lb = 4.53592 kg.
What is 100 lb in kilograms?
100 lb = 45.3592 kg.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page). Results are shown to up to 10 decimal places; round them to suit your purpose.
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