Weight converter

Troy Ounces to Grams Converter

Convert precious-metal troy ounces to grams. A troy ounce is different from the regular avoirdupois ounce used for food weights.

Calculate now

Result—

Formula and method

Grams = troy ounces × 31.1034768.

Worked example

For example, 2 troy ounces equals 62.2069536 grams.

Troy ounces versus regular ounces

A troy ounce equals exactly 31.1034768 grams, while an avoirdupois ounce equals 28.349523125 grams. Do not use the regular ounce converter for precious-metal weights.

Conversion table

Troy ouncesGrams
0.515.5517384
131.1034768
262.2069536
5155.5173840
10311.0347680

Calculation accuracy

Results are provided for practical information. Display rounding does not change the underlying conversion formula. Learn more in our calculation methodology.

Related calculators