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LBS to KG Converter
Convert pounds to kilograms instantly, with the exact factor and a lbs to kg chart.
Enter a weight in pounds and see it in kilograms immediately, together with grams, ounces and stone. The page starts in the pounds to kilograms direction and can be swapped with one tap.
Pounds are used in the United States for body weight, food packaging and shipping, and on a lot of gym equipment. Medical forms, airline rules and recipes in most other countries use kilograms, so a precise conversion saves guesswork.
How to use LBS to KG Converter
- Enter the weight in pounds (for example 150).
- Read the result in kilograms as you type.
- Check grams or stone in the full list if you need them.
- Use swap to convert kilograms to pounds.
How to convert pounds to kilograms
Multiply pounds by 0.45359237, the exact number of kilograms in one pound. So 150 lb is about 68.039 kg and 200 lb is about 90.718 kg.
A quick estimate is to halve the pounds and subtract ten per cent: 150 halved is 75, minus 7.5 gives 67.5 kg. The converter itself uses the exact factor.
To convert a weight given in stone and pounds, as is common in the United Kingdom, first turn the stone into pounds by multiplying by 14, add the remaining pounds, then convert the total. The converter can also start from stone directly: choose stone as the from unit.
Pounds to kilograms chart
Rounded to three decimal places.
| Pounds | Kilograms |
|---|---|
| 1 | 0.454 |
| 5 | 2.268 |
| 10 | 4.536 |
| 20 | 9.072 |
| 25 | 11.34 |
| 50 | 22.68 |
| 100 | 45.359 |
| 120 | 54.431 |
| 150 | 68.039 |
| 180 | 81.647 |
| 200 | 90.718 |
| 250 | 113.398 |
Ounces and pounds
One pound is 16 ounces, and an ounce is exactly 28.349523125 grams. A 12 ounce steak is therefore about 340.194 grams. The converter lists ounces next to pounds and kilograms, so you can read all three.
For parcels, many couriers charge in whole kilograms or pounds and round up, so check the exact weight before choosing a shipping option.
Pounds in recipes and on labels
Food labels in the United States show net weight in pounds and ounces, and recipes measure butter, meat and flour by the pound. One pound of butter is about 453.592 grams, so a recipe asking for half a pound needs about 226.796 grams.
For baking, weigh ingredients in grams for the best results, and use the converter to translate American quantities precisely instead of relying on cup measures.
Frequently asked questions
How many kilograms are in a pound?
Exactly 0.45359237 kilograms, by international definition since 1959.
How many kg is 100 lbs?
100 lb is about 45.359 kg.
How many ounces are in a pound?
There are 16 ounces in one pound.
How do I convert kilograms to pounds?
Divide by 0.45359237 (about 2.20462 pounds per kilogram), or press swap.
How many grams is a pound?
One pound is exactly 453.59237 grams.
Are my numbers stored?
No. Everything is calculated in your browser.
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