Convert weight (strictly, mass) between metric units and the imperial and US units used for body weight, cooking and shipping.
Formula
Result = Value × (kg per “from” unit) ÷ (kg per “to” unit)
The pound is defined as exactly 0.45359237 kg. An ounce is 1/16 of a pound and a stone is 14 pounds.
Common conversions
1 kg ≈ 2.2046 lb · 1 lb ≈ 453.6 g · 1 oz ≈ 28.35 g · 1 stone = 14 lb ≈ 6.35 kg · 1 metric tonne = 1,000 kg ≈ 1.1023 US tons.
Frequently asked questions
How do I convert kg to pounds?
Multiply by about 2.2046. For example, 70 kg × 2.2046 ≈ 154.3 lb.
What is the difference between a tonne and a ton?
A metric tonne is 1,000 kg. A US (short) ton is 2,000 lb ≈ 907 kg, and a UK (long) ton is 2,240 lb ≈ 1,016 kg.
Last updated · Calculations checked by automated tests· Editorial policy