How to convert lbs to kg
- Type the weight in pounds in the Value field.
- See the result in kilograms, highlighted at the top.
- You also see the weight in ounces, grams and other units.
- Tap Copy result to take the equivalents with you.
The formula and examples
One pound is exactly 0.45359237 kilograms. To convert, multiply the pounds by 0.4536: 150 lbs is 68.04 kg, 200 lbs is 90.72 kg and 10 lbs is 4.54 kg.
A mental shortcut: halve the pounds and subtract 10%. 150 lbs gives 75 − 7.5 = 67.5, almost the same as the real value. It's handy for reading product weights, baggage limits or recipes in pounds.
Good to know
- The international pound (avoirdupois) of 453.59237 g is used.
- In the UK, body weight is sometimes measured in stones (1 st = 14 lb); the tool shows that too.
- The result is rounded to 8 significant digits.
Frequently asked questions
How many kilos is 150 pounds?
68.04 kilograms.
How many kilos is a pound?
0.4536 kg, or 453.59 grams.
How many pounds are in a stone?
14 pounds, about 6.35 kg.
How many kilos is 100 pounds?
45.36 kg.