What is a troy ounce?
Definition
toz
The troy ounce (toz) is used for precious metals like gold and silver, equal to 31.1035 grams — heavier than a standard ounce.
Unit system
Scientific & Precious Metals
Convert troy ounces
All weight units
| Unit | Symbol | System |
|---|---|---|
| milligrams | mg | Metric |
| grams | g | Metric |
| kilograms | kg | Metric |
| metric tonnes | t | Metric |
| ounces | oz | Imperial / US |
| pounds | lb | Imperial / US |
| stones | st | Imperial / US |
| short tons | ton | Imperial / US |
| troy ounces | toz | Scientific & Precious Metals |