Gram to troy ounce converter
Short answer: One troy ounce is 31.1034768 grams, so divide grams by 31.1035 to get troy ounces, and multiply troy ounces by 31.1035 to get grams. A 100 gram bar is about 3.215 troy ounces.
How to use it
- Enter the amount you want to convert.
- Choose the unit you are converting from.
- Read the same weight in every other unit, updated as you type.
Formula: troy ounces = grams ÷ 31.1034768
Questions
How many grams are in a troy ounce?+
A troy ounce is exactly 31.1034768 grams. It is used for gold, silver, platinum and palladium.
What is the difference between a troy ounce and an ounce?+
The everyday (avoirdupois) ounce is 28.3495 grams. The troy ounce is about 9.7% heavier, and there are 12 troy ounces in a troy pound, not 16.
What is a pennyweight?+
A pennyweight (dwt) is 24 grains, or 1.55517 grams. There are 20 pennyweights in a troy ounce, and jewelers still use the unit.
What is a tola?+
A tola is a traditional South Asian unit commonly taken as 11.6638 grams, and gold is still often sold in tolas in India, Pakistan and the Gulf.
Why is gold priced per troy ounce?+
The troy system has been the standard for precious metals for centuries, so spot prices and bar sizes are quoted per troy ounce worldwide.
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