Convert grams to Troy Ounce
Western Europe · European Weight · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 gram = 0.0321507 Troy Ounce
Troy Ounce = grams × 0.032150723
Convert any amount
grams to Troy Ounce table
| grams | Troy Ounce |
|---|---|
| 0.25 grams | 0.00803768 Troy Ounce |
| 0.5 grams | 0.0160754 Troy Ounce |
| 1 gram | 0.0321507 Troy Ounce |
| 2 grams | 0.0643014 Troy Ounce |
| 3 grams | 0.0964522 Troy Ounce |
| 4 grams | 0.128603 Troy Ounce |
| 5 grams | 0.160754 Troy Ounce |
| 10 grams | 0.321507 Troy Ounce |
| 20 grams | 0.643014 Troy Ounce |
| 25 grams | 0.803768 Troy Ounce |
| 50 grams | 1.60754 Troy Ounce |
| 100 grams | 3.21507 Troy Ounce |
About the Troy Ounce
International precious metal standard. 1 oz t = 31.1035g.
- Symbol
- oz t
- Value in SI
- 1 Troy Ounce = 0.0311035 kilogram
- Typical use
- precious-metals, jewellery
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many Troy Ounce are in a gram?
1 gram = 0.0321507 Troy Ounce. Multiply the number of grams by 0.032150723 to get Troy Ounce.
What is Troy Ounce used for?
International precious metal standard. 1 oz t = 31.1035g. It is classified as active and dates from the modern period.
Is the Troy Ounce value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Troy Ounce conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert grams to Troy Ounce. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/gram-to-troy-ounce
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