Troy ounce to grams converter

One troy ounce equals 31.1035 grams. It is the unit used to quote gold, silver, platinum and palladium in international markets.

Troy ounces

Grams

Value in pure gold

€3,812.17

Value in fine silver

€57.68

Troy ounce, regular ounce and other units

Troy ounce: 31.1035 g. Used only for precious metals.

Avoirdupois ounce: 28.3495 g. The everyday trade ounce; it isn't used to calculate the value of gold.

Tola: 11.6638 g, common in India and Pakistan.

Tael: 37.429 g, used in Hong Kong and southern China.

Chart

Gold price per gram in euros over recent months.