Troy Ounce to Gram

Free instant troy ounce to gram converter. 1 ozt = 31.1035 g.

31.1035
Formula
1 ozt = 31.1035 g

Common Troy Ounce to Gram values

Troy Ounce (ozt)Gram (g)
131.1035
5155.517
10311.035
25777.587
501555.17
1003110.35
50015551.7
100031103.5

How does Troy Ounce to Gram conversion work?

Type a value in the Troy Ounce (ozt) field and the equivalent in Gram (g) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.

Troy Ounce. Used for precious metals (gold, silver). Slightly heavier than a regular ounce — about 31.1 grams.

Gram. One thousandth of a kilogram. About the weight of a paperclip.

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🎯 Accurate conversions

Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.

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Frequently asked

What is the formula for converting Troy Ounce to Gram?+
The formula is: 1 ozt = 31.1035 g. Type any value into the calculator above and the result appears instantly.
How do I convert Gram back to Troy Ounce?+
Click the swap button (⇄) above to go to the Gram → Troy Ounce converter, or use the inverse formula derived from the one shown.

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