Weight & Mass Converters
Convert between units of weight and mass — kilograms, grams, pounds, ounces and stone. Whether you are tracking body weight, cooking, or shipping, every calculator below uses the exact conversion factor and works in both directions.
Related converters and pages
- Kilograms to Pounds — Convert kilograms to pounds and back instantly. Bidirectional kg ↔ lb calculator.
- Kilograms to Stone — Convert kilograms to stone and pounds and back. Bidirectional kg ↔ stone calculator.
- Stone to Kilograms — Convert stone (and pounds) to kilograms. Supports decimal stone and stone-and-pounds input.
- Pounds to Kilograms — Convert pounds to kilograms and back instantly. Bidirectional lb ↔ kg calculator.
- Grams to Ounces — Convert grams to ounces and back instantly. Bidirectional g ↔ oz calculator with conversion table.
- Ounces to Grams — Convert ounces to grams and back instantly. Bidirectional oz ↔ g calculator with conversion table.
- Ounces to Pounds — Convert ounces to pounds and back instantly. 1 pound = 16 ounces. Bidirectional oz ↔ lb calculator.
- Pounds to Ounces — Convert pounds to ounces and back instantly. 1 pound = 16 ounces. Bidirectional lb ↔ oz calculator.
- Grams to Kilograms — Convert grams to kilograms and back instantly. 1 kilogram = 1,000 grams. Bidirectional g ↔ kg calculator.
- Kilograms to Grams — Convert kilograms to grams and back instantly. 1 kilogram = 1,000 grams. Bidirectional kg ↔ g calculator.
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