Pounds to Kilograms Converter
Instant lb to kg conversion. Enter a number and get the answer right away.
How to Convert lb to kg
1 lb equals 0.453592 kg. To convert lb to kg, multiply by 0.453592 (kg = lb × 0.45359237). For example, 10 lb is 4.5359 kg. The calculator above applies the same conversion in both directions, so you can also type a value in kg to get lb.
kg = lb × 0.45359237
One lb equals 0.453592 kg. Use the formula below for any number.
lb to kg Conversion Table
| lb | kg |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 3 lb | 1.360777 kg |
| 5 lb | 2.267962 kg |
| 10 lb | 4.535924 kg |
| 15 lb | 6.803886 kg |
| 20 lb | 9.071847 kg |
| 25 lb | 11.339809 kg |
| 50 lb | 22.679619 kg |
| 75 lb | 34.019428 kg |
| 100 lb | 45.359237 kg |
| 150 lb | 68.038855 kg |
| 200 lb | 90.718474 kg |
| 500 lb | 226.796185 kg |
| 1000 lb | 453.59237 kg |
Common lb to kg Conversions
When You Need This Conversion
Useful for luggage limits, recipes, shipping rates, body weight and gym plates.
Units and Conventions
This page uses the avoirdupois pound: 1 lb = 0.45359237 kg exactly, and 1 oz = 1/16 lb. Troy ounces, used for precious metals, are about 31.1035 g rather than 28.3495 g.
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Frequently Asked Questions
How many kg are in 1 lb?
1 lb equals 0.453592 kg. The formula is kg = lb × 0.45359237.
What is the lb to kg formula?
Use kg = lb × 0.45359237. The calculator above applies it instantly and also works in reverse.
Can I convert kg back to lb?
Yes. Type a value into the second field and the calculator converts in the opposite direction.
Is this converter free and accurate?
Yes. It runs in your browser with no signup. Results come from the exact conversion factor shown on this page and are rounded to 6 decimal places.
Which standard does this page use?
See the Units and Conventions section above - it lists the exact definition used here and the alternatives common in other countries.
Does it work on my phone?
Yes. The calculator is designed for phones first, with large inputs and instant results as you type.