How many troy ounces are in a gram?

1 g = 0.032151 ozt. To convert any amount, multiply by 0.032151.

How do you convert grams to troy ounces?

Multiply the number of grams by 0.032151 to get troy ounces. The formula is shown in the "How it's calculated" section above.

Where does the conversion factor come from?

It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.

Unit converter — Gold weight

Grams to troy ounces converter

Convert grams (g) to troy ounces (ozt). Source-cited conversion factor, exact to the displayed precision.

Results are mathematically exact for the displayed precision. How we calculate.

How it's calculated

Convert grams to troy ounces— the formula

Grams convert to troy ounces by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.

ozt = g × 0.032151

g = ozt × 31.1035

Troy weight system, ISO 31-3: 1 troy oz = 31.1034768 g; 1 dwt (pennyweight) = 1/20 troy oz = 1.55517384 g; 1 grain = 1/24 dwt = 0.06479891 g (NIST SP 811).

Questions

Frequently asked questions

How many troy ounces are in a gram?
1 g = 0.032151 ozt. To convert any amount, multiply by 0.032151.
How do you convert grams to troy ounces?
Multiply the number of grams by 0.032151 to get troy ounces. The formula is shown in the "How it's calculated" section above.
Where does the conversion factor come from?
It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.