Weight Converter
Convert between weight and mass units — milligrams, grams, kilograms, metric tons, ounces, pounds and stones — instantly, both ways.
Convert weight and mass, both ways
Choose a value and your units and the result updates as you type. The converter spans metric units — milligrams, grams, kilograms and metric tons — and US/imperial units — ounces, pounds and stones. The anchor conversions are exact: 1 pound = 453.59237 g, 1 ounce = 28.349523125 g, and 1 stone = 14 pounds.
Common conversions
A kilogram is about 2.2 pounds, 8 ounces is about 227 grams, and 11 stone is 154 pounds. Whatever you enter converts both ways. Need other units? Try the length converter or the temperature converter.
Frequently asked questions
How many pounds are in a kilogram?
One kilogram is about 2.205 pounds (1 ÷ 0.45359237). So 70 kg is roughly 154 lbs. Choose kilograms and pounds above and enter any value to convert instantly, in either direction.
How do I convert ounces to grams?
Multiply ounces by 28.35 to get grams (one ounce is 28.349523125 g). For example, 8 ounces is about 227 grams. Select ounces and grams above and the converter does it both ways.
How many pounds are in a stone?
One stone equals exactly 14 pounds, a unit still common in the UK and Ireland for body weight. So 11 stone is 154 pounds. The converter handles stones alongside metric and US units.