Convert pounds to kilograms
1 lb = 0.45359237 kg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.453 592 37kg
As a fraction: 45359237/100000000
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1 lb = 0.45359237 kg
Show this value in all 34 weight & mass units
- Megagrams Mg 0.000 453 592 37
- Kilograms kg 0.453 592 37
- Hectograms hg 4.535 923 7
- Decagrams dag 45.359 237
- Grams g 453.592 37
- Decigrams dg 4535.9237
- Centigrams cg 45 359.237
- Milligrams mg 453 592.37
- Micrograms µg 453 592 370
- Nanograms ng 453 592 370 000
- Picograms pg 453 592 370 000 000
- Tonnes t 0.000 453 592 37
- Kilotonnes kt 0.000 000 453 592 37
- Megatonnes Mt 4.5359237e-10
- Quintals q 0.004 535 923 7
- Carats ct 2267.961 85
- Pounds lb 1
- Ounces oz 16
- Drams dr 256
- Grains gr 7000
- Stones st 0.071 428 571 428 6
- Hundredweight (US)s cwt (US) 0.01
- Hundredweight (UK)s cwt (UK) 0.008 928 571 428 57
- Short ton (US)s tn 0.0005
- Long ton (UK)s LT 0.000 446 428 571 429
- Troy ounces ozt 14.583 333 333 3
- Troy pounds lbt 1.215 277 777 78
- Pennyweights dwt 291.666 666 667
- Slugs slug 0.031 080 950 171 6
- Atomic mass units u 2.73159709693e+26
- Electron masss mₑ 4.97939689714e+29
- Planck masss mₚ 20 841 080.869
- Earth masss M🜨 7.59506329326e-26
- Solar masss M☉ 2.2805963538e-31
Every row is Pound (lb) converted through the kilogram, in exact rational arithmetic.
How to convert pounds to kilograms
Multiply the number of pounds by 0.45359237 to get kilograms.
The exact factor is 0.45359237 — as a fraction, 45359237/100000000.
Pound: Exactly 0.453 592 37 kg since 1959.
Pound to Kilogram conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.453 592 37 |
| 2 lb | 0.907 184 74 |
| 3 lb | 1.360 777 1 |
| 5 lb | 2.267 961 9 |
| 10 lb | 4.535 923 7 |
| 20 lb | 9.071 847 4 |
| 25 lb | 11.339 809 |
| 50 lb | 22.679 619 |
| 100 lb | 45.359 237 |
| 250 lb | 113.398 09 |
| 500 lb | 226.796 19 |
| 1000 lb | 453.592 37 |
Kilogram to Pound conversion table
| Kilograms (kg) | Pounds (lb) |
|---|---|
| 1 kg | 2.204 622 6 |
| 2 kg | 4.409 245 2 |
| 3 kg | 6.613 867 9 |
| 5 kg | 11.023 113 |
| 10 kg | 22.046 226 |
| 20 kg | 44.092 452 |
| 25 kg | 55.115 566 |
| 50 kg | 110.231 13 |
| 100 kg | 220.462 26 |
| 250 kg | 551.155 66 |
| 500 kg | 1102.3113 |
| 1000 kg | 2204.6226 |
Frequently asked
How many kilograms are in a pound?
One pound equals 0.45359237 kilograms (lb → kg). That figure is exact, not rounded.
How do you convert pounds to kilograms?
Multiply the number of pounds by 0.45359237 to get kilograms.
What is 1 kg in pounds?
One kilogram is 2.204622622 pounds.
What is 10 lb in kg?
10 lb = 4.535 923 7 kg.
What exactly is a pound?
Exactly 0.453 592 37 kg since 1959.