Troy ounces to Grams
Type a value in Troy ounces and get the result in Grams, calculated exactly.
1 Troy ounces = 31.1034768 Grams
Precision
Exact factorThis result is exact.
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Formula
g = oz t × 31.1034768
To convert Troy ounces to Grams, multiply the value by 31.1034768.
Worked examples
- 1 oz t × 31.1034768 = 31.1034768 g
- 100 oz t × 31.1034768 = 3,110.34768 g
- 50 oz t × 31.1034768 = 1,555.17384 g
This factor is exact by definition.
Conversion table
| Troy ounces (oz t) | Grams (g) |
|---|---|
| 1 | 31.1034768 |
| 2 | 62.2069536 |
| 3 | 93.3104304 |
| 4 | 124.4139072 |
| 5 | 155.517384 |
| 6 | 186.6208608 |
| 7 | 217.7243376 |
| 8 | 248.8278144 |
| 9 | 279.9312912 |
| 10 | 311.034768 |
| 15 | 466.552152 |
| 20 | 622.069536 |
| 25 | 777.58692 |
| 30 | 933.104304 |
| 40 | 1,244.139072 |
| 50 | 1,555.17384 |
| 60 | 1,866.208608 |
| 70 | 2,177.243376 |
| 75 | 2,332.76076 |
| 80 | 2,488.278144 |
| 90 | 2,799.312912 |
| 100 | 3,110.34768 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Grams to Troy ounces
| Grams (g) | Troy ounces (oz t) |
|---|---|
| 1 | ≈ 0.03215075 |
| 2 | ≈ 0.06430149 |
| 3 | ≈ 0.09645224 |
| 4 | ≈ 0.128603 |
| 5 | ≈ 0.1607537 |
| 6 | ≈ 0.1929045 |
| 7 | ≈ 0.2250552 |
| 8 | ≈ 0.257206 |
| 9 | ≈ 0.2893567 |
| 10 | ≈ 0.3215075 |
| 15 | ≈ 0.4822612 |
| 20 | ≈ 0.6430149 |
| 25 | ≈ 0.8037687 |
| 30 | ≈ 0.9645224 |
| 40 | ≈ 1.28603 |
| 50 | ≈ 1.607537 |
| 60 | ≈ 1.929045 |
| 70 | ≈ 2.250552 |
| 75 | ≈ 2.411306 |
| 80 | ≈ 2.57206 |
| 90 | ≈ 2.893567 |
| 100 | ≈ 3.215075 |
Unit definitions
- Troy ounces oz t
- 480 grains, exactly 31.1034768 grams, used for precious metals.
- Grams g
- One thousandth of a kilogram.
Questions people ask
Troy ounces to Grams: what is the conversion factor?
One oz t is 31.1034768 g.
How do I convert Troy ounces to Grams?
Use the formula above. For example, 100 oz t = 3,110.34768 g.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.