TOOLConvert weight and mass units
Switch between metric and imperial weight units in an instant — milligrams, grams, kilograms and tonnes alongside ounces, pounds and stones. It's the quick answer for a recipe, a parcel, a gym goal or a country that uses different units, with the conversion rate shown right below the result.
Common weight conversions
The pound is defined as exactly 453.59237 grams, so the metric-imperial conversions here are exact.
Frequently asked questions
How many pounds are in a kilogram?
One kilogram equals about 2.20462 pounds. To convert kilograms to pounds, multiply by 2.20462; to convert pounds to kilograms, divide by 2.20462.
How many pounds are in a stone?
One stone equals exactly 14 pounds. Stones are mainly used in the UK and Ireland for body weight, so 10 stone is 140 pounds, or about 63.5 kg.
Is weight the same as mass?
In everyday use they are treated the same, and units like kg and lb measure mass. Strictly, mass is the amount of matter and weight is the force of gravity on it, but this converter handles the common mass units people mean by weight.