Weight Converter
Enter a value and pick the units to convert between kilograms, pounds, ounces and grams.
Results
- 1 lb =
- Milligram
- Gram
- Tonne
- Ounce
- Stone
- 1 lb in kg
Shipping weights, gym plates and recipes often come in pounds and ounces. This converter handles seven units of weight.
A pound is exactly 0.45359237 kg and contains 16 ounces. The stone, used in the UK for body weight, is 14 pounds — about 6.35 kg.
How to calculate Weight conversion
- Enter the value you want to convert.
- Choose the units to convert from and to.
- Read the result and the same weight in the other units.
Weight conversion formula
1 lb = 0.45359237 kg1 oz = 28.349523 g1 stone = 14 lb = 6.35029 kg1 tonne = 1,000 kg
Weight conversion example
150 lb is 150 × 0.45359237 = 68.04 kg. And 250 g is 250 ÷ 28.3495 = 8.82 oz.
Weight conversion: common questions
How many pounds are in a kilogram?
About 2.2046. For a quick estimate, multiply kilograms by 2.2.
Why is “lb” short for pound?
It comes from the Latin “libra”, the Roman unit of weight.
Is a troy ounce the same?
No. Precious metals use the troy ounce, 31.1035 g. The ounce here is the everyday avoirdupois ounce of 28.35 g.