Weight / Mass Converter
Convert between kilograms, grams, milligrams, pounds, ounces, stones, and tonnes quickly and accurately.
Convert weight and mass units
Enter a value, choose the unit to convert from, then choose the unit to convert to.
Common weight conversions
1 kilogram = 1,000 grams
1 kilogram = 2.20462 pounds
1 pound = 16 ounces
1 stone = 14 pounds
1 tonne = 1,000 kilograms
1 ounce = 28.3495 grams
How this converter works
The converter first changes the value into kilograms as a base unit, then converts that result into your chosen output unit. This keeps the calculation consistent and accurate.
- Metric units include kilograms, grams, milligrams, and tonnes.
- Imperial units include pounds, ounces, and stones.
- Useful for body weight, food quantities, luggage, parcels, and everyday conversions.
FAQs
How many pounds are in 1 kilogram?
1 kilogram is equal to 2.20462 pounds.
How many grams are in 1 kilogram?
1 kilogram is equal to 1,000 grams.
What is the difference between weight and mass?
In everyday use, people often treat them the same. Strictly speaking, mass is the amount of matter in an object, while weight depends on gravity.