Pounds to Kilograms
Convert pounds (lb) to kilograms (kg). Type in either box; the other updates as you go.
1 pound equals0.45359237 kg
1 kilogram equals2.204622622 lb
Formulakg = lb × 0.45359237
How to convert pounds to kilograms
To convert pounds to kilograms, multiply the number of pounds by 0.45359237.
kg = lb × 0.45359237
Example
Convert 5 pounds to kilograms:
5 lb × 0.45359237 = 2.26796 kg
Pound to kilogram conversion chart
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.4535924 kg |
| 2 lb | 0.9071847 kg |
| 3 lb | 1.360777 kg |
| 4 lb | 1.814369 kg |
| 5 lb | 2.267962 kg |
| 6 lb | 2.721554 kg |
| 7 lb | 3.175147 kg |
| 8 lb | 3.628739 kg |
| 9 lb | 4.082331 kg |
| 10 lb | 4.535924 kg |
| 12 lb | 5.443108 kg |
| 15 lb | 6.803886 kg |
| 20 lb | 9.071847 kg |
| 25 lb | 11.33981 kg |
| 30 lb | 13.60777 kg |
| 40 lb | 18.14369 kg |
| 50 lb | 22.67962 kg |
| 60 lb | 27.21554 kg |
| 70 lb | 31.75147 kg |
| 75 lb | 34.01943 kg |
| 80 lb | 36.28739 kg |
| 90 lb | 40.82331 kg |
| 100 lb | 45.35924 kg |
| 150 lb | 68.03886 kg |
| 200 lb | 90.71847 kg |
| 250 lb | 113.3981 kg |
| 500 lb | 226.7962 kg |
| 1,000 lb | 453.5924 kg |
Going the other way? See the kilograms to pounds chart.
Common pounds to kilograms conversions
Each value has its own page with the working, the answer in other units and nearby values.
- 0.5 lbs to kg
- 1 lbs to kg
- 1.5 lbs to kg
- 2 lbs to kg
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About the units
Pound (lb)
The international avoirdupois pound is exactly 0.45359237 kilograms, defined in 1959. A pound is 16 ounces.
Kilogram (kg)
The kilogram is the SI base unit of mass, defined since 2019 by a fixed value of the Planck constant.
Frequently asked questions
How many kilograms are in a pound?
There are 0.45359237 kilograms in a pound.
How many pounds are in a kilogram?
There are 2.204622622 pounds in a kilogram.
How do you convert pounds to kilograms?
To convert pounds to kilograms, multiply the number of pounds by 0.45359237.
What is 5 pounds in kilograms?
5 pounds equals 2.26796 kilograms.
Is there a quick way to convert lbs to kg in your head?
Halve the pounds and take away 10% of the result. 150 lb → 75 − 7.5 = 67.5 kg, against an exact 68.04 kg.
Convert between kilograms, pounds, ounces, grams, stone and tons. Open the weight converter to see a value in every unit at once.