Precious Metal Weight Converter
Convert precious metal weights between troy ounces, grams, pennyweight, tola, tael and other units
Result
1 Troy Ounce (oz t) = 31.1035 Gram (g)
All Conversions
About Precious Metal Units
Troy Ounce (oz t): The international standard for precious metals. 1 troy oz = 31.1035 grams. Different from the avoirdupois ounce used for everyday items.
Pennyweight (dwt): Traditional unit used by jewelers. 20 pennyweights = 1 troy ounce.
Tola: Common in India for gold jewelry. 1 tola = 11.664 grams = 3/8 troy ounce.
Tael: Used in East Asia. Hong Kong tael = 37.429g, Chinese tael = 50g.
Baht: Thai gold weight unit. 1 baht = 15.244 grams.
Troy vs Avoirdupois
| Unit | Troy System | Avoirdupois System |
|---|---|---|
| Ounce | 31.1035 g | 28.3495 g |
| Pound | 373.242 g (12 oz) | 453.592 g (16 oz) |
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Formula Source: NIST Guide to SI Units
by National Institute of Standards