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Mass converter

troy ounce to gram

Convert troy ounce (oz t) to gram (g). Use an editable mass converter, conversion formula, and reference table.

31.1034768

1 oz t = 31.1034768 g

Calculated in your browser

Conversion formula

g = oz t × 31.1034768

One troy ounce equals 31.1034768 gram. Multiply your value in troy ounce by this factor to get gram. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 troy ounce:
5 × 31.1034768 = 155.517384 g

Conversion table

troy ounce (oz t)gram (g)
0.010.311034768
0.13.11034768
131.1034768
262.2069536
5155.517384
10311.034768
25777.58692
501,555.17384
1003,110.34768
100031,103.4768

About these measurements

Mass quantifies an amount of matter.

The base reference used here is the gram. One troy ounce is 31.1034768 base units; one gram is 1 base units.

Important distinctions

Mass is not force. Avoirdupois ounces and troy ounces have different masses.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert oz t to g?

Multiply the quantity in oz t by 31.1034768. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the gram to troy ounce converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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