Gram to Troy Ounce Conversion: Formula and Examples
Divide grams by 31.1034768 to convert to troy ounces using GoldNepal's converter. For example, 10 g is about 0.321507 troy ounce.
GoldNepal Content Team · Published
Quick answer: Divide grams by 31.1034768 to convert to troy ounces using GoldNepal's converter. For example, 10 grams is about 0.321507 troy ounce.
Formula: grams to troy ounces
Troy ounces = grams ÷ 31.1034768
The divisor is the converter's gram value for one troy ounce. Keep extra digits while calculating and round the displayed answer to the precision you need.
| Grams | Troy ounces (approx.) |
|---|---|
| 1 | 0.032151 |
| 10 | 0.321507 |
| 31.1034768 | 1 |
| 100 | 3.215075 |
To convert back, multiply troy ounces by 31.1034768. The GoldNepal weight converter supports both directions.
Troy ounce and ordinary ounce are different
NIST lists an ordinary avoirdupois ounce as about 28.34952 grams and a troy or apothecary ounce as about 31.10348 grams. They are not interchangeable. GoldNepal's calculator uses 31.1034768 grams for its troy-ounce conversion. See the separate rows in the NIST Guide to the SI, Appendix B.8 conversion factors.
This calculation converts mass only; it does not calculate a metal's purity, a jewelry price, or a sale value. Check the unit shown in the source measurement before comparing weights.