Weight & Unit Converter
Grams, tola, masha, ratti, troy ounce, pennyweight, carat and more.
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What this tool does
Converts weights between the units used in precious-metal and jewelry work, including tola, masha and ratti, and lists the equivalent in every unit.
When to use it
Use it when a quote, a scale and a price list use different units.
What each input means
- From / To
- Any of the listed units. The table shows every unit at once.
Formula and method
- Every conversion goes through grams.
- 1 troy ounce = 31.1034768 g
- 1 tola = 11.6638038 g = 12 masha = 96 ratti
- 1 pennyweight (dwt) = 1/20 troy ounce
- 1 metric carat = 0.2 g
Worked example
Converting one troy ounce:
- 1 troy ounce = 31.1034768 g
- 31.1034768 ÷ 11.6638038 = 2.6667 tola
1 troy ounce = 2.6667 tola
Limitations
- Some regions define the tola slightly differently (for example 11.664 g or 11.66 g).
- Metric carat (gem weight) is not the same as karat (gold purity).
Frequently asked questions
How many masha and ratti are in a tola?
By the traditional definition used here: 12 masha or 96 ratti.
Related tools
- Gold Price Calculator — Gold price per gram, 10 grams, tola, troy ounce and kilogram for any karat, in your currency.
- Karat & Purity Calculator — Convert between karat, fineness and percent; see pure-gold content of any weight.