Weight and Mass

Troy Ounces to Grams Converter

Convert troy ounces (oz t) to grams (g). 1 troy ounce = 31.1034768 grams (exact)

1 troy ounce = 31.1034768 grams

How to convert troy ounces to grams

Formulag = oz t × 31.1034768

Multiply the value in troy ounces by 31.1034768. To go the other way, multiply by 0.03215074657 (or divide by 31.1034768).

A troy ounce is larger than a gram: one troy ounce contains 31.1034768 grams.

Worked examples

  • 1 troy ounce1 oz t × 31.1034768 = 31.1034768 g
  • 5 troy ounces5 oz t × 31.1034768 = 155.517384 g
  • 10 troy ounces10 oz t × 31.1034768 = 311.034768 g
  • 20 troy ounces20 oz t × 31.1034768 = 622.069536 g
  • 100 troy ounces100 oz t × 31.1034768 = 3,110.34768 g

Troy ounces to grams conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Troy ounces to grams: 0.1–10 oz t
Troy ounces (oz t)Grams (g)
0.1 oz t3.1103477 g
0.25 oz t7.7758692 g
0.5 oz t15.551738 g
1 oz t31.103477 g
2 oz t62.206954 g
3 oz t93.31043 g
4 oz t124.41391 g
5 oz t155.51738 g
6 oz t186.62086 g
7 oz t217.72434 g
8 oz t248.82781 g
9 oz t279.93129 g
10 oz t311.03477 g
Troy ounces to grams: 12–1,000 oz t
Troy ounces (oz t)Grams (g)
12 oz t373.24172 g
15 oz t466.55215 g
20 oz t622.06954 g
25 oz t777.58692 g
30 oz t933.1043 g
40 oz t1,244.1391 g
50 oz t1,555.1738 g
75 oz t2,332.7608 g
100 oz t3,110.3477 g
250 oz t7,775.8692 g
500 oz t15,551.738 g
1,000 oz t31,103.477 g

About the units

Troy ounce (oz t)

480 grains or 31.1034768 g, about 10% heavier than an ordinary ounce. Gold, silver and platinum prices are quoted per troy ounce. One troy ounce equals 0.0311034768 kilograms (kg).

Gram (g)

One thousandth of a kilogram. Recipes, nutrition labels and postal scales use grams; a US nickel weighs 5 g. One gram equals 0.001 kilograms (kg).

Frequently asked questions

How many grams are in one troy ounce?

There are 31.1034768 grams in one troy ounce, and this value is exact by definition.

How do I convert troy ounces to grams?

Multiply the number of troy ounces by 31.1034768. For example, 10 oz t × 31.1034768 = 311.034768 g.

How many troy ounces are in one gram?

One gram equals 0.03215074657 troy ounces. That is the reverse factor, 1 ÷ 31.1034768.

What is 10 troy ounces in grams?

10 oz t = 311.034768 g.

Is this oz t to g converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

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