Weight & Mass Converter
Convert kilograms, grams, pounds, ounces, stones and tons instantly.
1 Kilogram = 1000 Gram
1 Kilogram in other units
| Gram (g) | 1000 |
| Milligram (mg) | 1000000 |
| Microgram (µg) | 1000000000 |
| Metric ton (t) | 0.001 |
| Pound (lb) | 2.204622622 |
| Ounce (oz) | 35.27396195 |
| Stone (st) | 0.1574730444 |
| US ton (short) | 0.001102311311 |
| Imperial ton (long) | 0.0009842065276 |
How to use the Weight & Mass Converter
- Pick the unit you are converting from.
- Enter the weight value.
- Pick the unit you want the answer in.
- See the converted value and every other unit in the table.
Examples
| Input | Output | Notes |
|---|---|---|
1 kilogram | 2.204622622 pounds | 1 kg = 1000 g = 35.274 oz |
1 pound | 0.45359237 kilograms | Exact by definition; 1 lb = 16 oz |
1 stone | 14 pounds | = 6.35029 kg |
1 ounce | 28.349523125 grams |
Mass units across systems
The SI unit of mass is the kilogram. The US customary and imperial systems share the avoirdupois pound (exactly 0.45359237 kg), divided into 16 ounces, with 14 pounds to a stone.
Common weight conversions
| From | To | Multiply by |
|---|---|---|
| Kilograms | Pounds | 2.20462262 |
| Pounds | Kilograms | 0.45359237 |
| Ounces | Grams | 28.3495231 |
| Stones | Kilograms | 6.35029318 |
Related tools
Working with recipes? Pair this with the Volume Converter. Converting shipping dimensions? See the Length Converter.
Frequently asked questions
How do I convert kilograms to pounds?
Multiply kilograms by 2.2046226218. For a rough estimate, double the kilograms and add 10%. To convert pounds to kilograms, multiply by 0.45359237.
How many grams are in an ounce?
One avoirdupois ounce equals 28.349523125 grams. There are 16 ounces in a pound, so a pound is 453.59237 grams.
What is a stone in pounds and kilograms?
One stone equals 14 pounds or about 6.35029 kilograms. The stone is still commonly used for body weight in the UK and Ireland.
Is weight the same as mass?
Strictly, mass (kg) is the amount of matter and weight is the force gravity exerts on it. In everyday use on Earth the terms are interchangeable, and this tool converts mass units.
What is the difference between a metric ton and a US ton?
A metric ton (tonne) is 1,000 kg ≈ 2,204.6 lb. A US short ton is 2,000 lb ≈ 907.18 kg, and a UK long ton is 2,240 lb ≈ 1,016.05 kg.