Convert Grams to Troy ounces
1 gram is 0.03 ozt. One gram is exactly 0.0321507465686 troy ounces.
One gram is 0.032150747 troy ounces. To convert grams to troy ounces, multiply by 0.032150747; to go the other way, divide by 0.032150747 or multiply by 31.103477. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 44. One thousandth of a kilogram, and the unit nutrition labels use worldwide.
Factor checked against the defining standard · How we check
- Grams × 0.032150747
1 * 0.03215070.032 ozt
1 gram in every weight unit
| Unit | Value | Exact factor |
|---|---|---|
| ounces | 0.03527396195 oz | × 0.0352739619496 |
| pounds | 0.002204622622 lb | × 0.00220462262185 |
| stone | 0.0001574730444 st | × 0.000157473044418 |
| US tons | 0.000001102311311 ton | × 0.00000110231131092 |
| micrograms | 1,000,000 mcg | × 1,000,000 |
| milligrams | 1,000 mg | × 1,000 |
| centigrams | 100 cg | × 100 |
| grams (as entered) | 1 g | — |
| kilograms | 0.001 kg | × 0.001 |
| slugs | 0.00006852176586 slug | × 0.0000685217658568 |
| tonnes | 0.000001 t | × 0.000001 |
| carats | 5 ct | × 5 |
| troy ounces | 0.03215074657 ozt | × 0.0321507465686 |
| grains | 15.43235835 gr | × 15.4323583529 |
| long tons | 0.0000009842065276 LT | × 0.000000984206527611 |
Factors are entered by hand from NIST Handbook 44 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert grams to troy ounces? The converter and the working
- 1.Take the measurement in grams.
- 2.Multiply by 0.032150747 — that is how many troy ounces fit in one gram.
- 3.To go back the other way, divide by 0.032150747, or multiply by 31.103477.
Worked example: 25 grams to troy ounces
- Formula
- g × 0.032150747 = ozt
- Arithmetic
- 25 × 0.032150747 = 0.8 ozt
- Answer
- 25 g = 0.8 ozt
The factor is rounded for display; the figure above is computed from the full value.
Grams to troy ounces conversion table
| Grams | Troy ounces |
|---|---|
| 1 g | 0.03 ozt |
| 2 g | 0.06 ozt |
| 3 g | 0.1 ozt |
| 4 g | 0.13 ozt |
| 5 g | 0.16 ozt |
| 6 g | 0.19 ozt |
| 7 g | 0.23 ozt |
| 8 g | 0.26 ozt |
| 9 g | 0.29 ozt |
| 10 g | 0.32 ozt |
| 12 g | 0.39 ozt |
| 15 g | 0.48 ozt |
| 20 g | 0.64 ozt |
| 25 g | 0.8 ozt |
| 50 g | 1.61 ozt |
| 100 g | 3.22 ozt |
| 200 g | 6.43 ozt |
| 300 g | 9.65 ozt |
| 500 g | 16.08 ozt |
| 1000 g | 32.15 ozt |
| 2000 g | 64.3 ozt |
| 5000 g | 160.75 ozt |
| 10000 g | 321.51 ozt |
What is a gram?
One thousandth of a kilogram, and the unit nutrition labels use worldwide.
What is a troy ounce?
Exactly 31.1034768 grams, and the only ounce bullion is ever quoted in. It is about 10% heavier than the ounce on a kitchen scale, so a "pound" of gold — twelve troy ounces — is lighter than a pound of anything else.
How many troy ounces are in a gram?
One gram is 0.032150747 troy ounces. Going the other way, one troy ounce is 31.103477 grams. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every weight unit here
The whole group — 15 units with their symbols and the size of each one in kilograms — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a gram.
Cite this page
- APA
- Rule Calculator. (2026). Convert Grams to troy ounces. Rule Calculator. https://rulecalculators.com/convert/gram-to-troy-ounce
- MLA
- "Convert Grams to troy ounces." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/gram-to-troy-ounce.
- Chicago
- Rule Calculator. "Convert Grams to troy ounces." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/gram-to-troy-ounce.
The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.
Questions people actually ask
- How many troy ounces are in a gram?
- 0.032150747. Exactly 31.1034768 grams, and the only ounce bullion is ever quoted in. It is about 10% heavier than the ounce on a kitchen scale, so a "pound" of gold — twelve troy ounces — is lighter than a pound of anything else.
- How do I convert troy ounces back to grams?
- Divide by 0.032150747, or multiply by 31.103477 — they are the same operation.
Other weight conversions
Troy ounces to grams — the same conversion the other way.