Weight & mass converter
These are mass conversions, often called weight conversions. Standard ounces and troy ounces are different units; a pound is exactly 0.45359237 kilograms.
Weight & mass
1 g = 0.001 kg
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Weight & mass reference
These are mass conversions, often called weight conversions. Standard ounces and troy ounces are different units; a pound is exactly 0.45359237 kilograms.
| Unit | Equivalent |
|---|---|
| Kilogramskg | 0.001 |
| Gramsg | 1 |
| Milligramsmg | 1000 |
| Poundslb | 0.00220462262185 |
| Ouncesoz | 0.0352739619496 |
| Metric tonnest | 1.0e-6 |
| Stonesst | 0.000157473044418 |
| US short tonsUS ton | 1.10231131092e-6 |
| UK long tonsUK ton | 9.84206527611e-7 |
| Troy ouncesoz t | 0.0321507465686 |
| Caratsct | 5 |
| Grainsgr | 15.4323583529 |
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Read the result, check the working, or compare your value across the reference table.
How precise are the results?
We display up to 12 significant digits. Very small or large values use scientific notation. Floating-point arithmetic and rounded definitions can introduce small differences.
Does this work without JavaScript?
Yes. Enter your value, choose your units and press Convert. With JavaScript, the result and table update as you type.
Can I convert between different families?
Only units of the same quantity can be converted directly. For example, converting liters to kilograms requires the material's density.