Weight Converter — Convert Between All Weight Units
Use this free weight converter to instantly convert between kilograms, pounds, grams, ounces, stone, milligrams, metric tons and US tons. Type into any field and all other units update automatically.
Weight Converter
Type in any field to convert all units instantly
⚖️ Quick Reference
Try Another Calculator
Metric vs Imperial Weight
The metric system uses grams and kilograms as the primary weight units. The imperial system uses ounces, pounds and stone — still widely used in the UK for body weight and the US for everyday measurements. This converter handles both systems and more.
Common Weight Conversions
1 kilogram = 2.20462 pounds. 1 pound = 0.453592 kilograms. 1 stone = 14 pounds = 6.35029 kg. 1 ounce = 28.3495 grams. These are the most common everyday conversions.
Stone — A Uniquely British Unit
Stone is a unit of weight primarily used in the UK and Ireland for measuring body weight. One stone equals 14 pounds or 6.35 kilograms. A person weighing 11 stone is 154 pounds or approximately 69.9 kg.
FAQs
How do I convert kg to pounds?
Multiply kilograms by 2.20462. For example 70 kg × 2.20462 = 154.32 pounds. Or type 70 into the kilograms field above.
How many pounds are in a stone?
There are exactly 14 pounds in one stone.
How do I convert grams to ounces?
Divide grams by 28.3495. For example 100g ÷ 28.3495 = 3.53 ounces.
Is this calculator free?
Yes completely free with no sign-up needed.