Skip to main content
UnitConvertersGo

Grams to Troy Ounces Converter

Enter the weight in grams below to convert it to troy ounces.

Convert Grams to Troy Ounces

Enter a value in grams (g) to convert to troy ounces (oz t).

Result
•
3.215074657troy ounces
100 g = 3.215074657 oz t
Result updates automatically
Get Widget
Equivalent Measurements Across UnitsFor 100 g
Milligrams100,000 mg
Kilograms0.1 kg
Ounces3.5274 oz
Pounds0.22046 lb
Stones0.01575 st
Suggested Conversions
Reference:NIST OWM (SI Units — Mass)
[1–3] ↓

Gram to Troy Ounce Conversion Table

Table showing various gram measurements converted to troy ounces. Click any preset value or arrow to load it into the converter.

How to Convert Grams to Troy Ounces

To convert grams to troy ounces, multiply the weight by the following conversion ratio: 0.0321507 troy ounces/gram.

Since one gram is equal to 0.0321507 troy ounces, you can use this simple formula to convert:

troy ounces = grams × 0.0321507

The weight in troy ounces is equal to the weight in grams multiplied by 0.0321507.

For example, here's how to convert 100 grams to troy ounces using the formula above.

troy ounces = (100 g × 0.0321507) = 3.2150747 oz t

How Many Troy Ounces Are in a Gram?

There are 0.0321507 troy ounces in a gram, which is why we use this value in the formula above.

1 g = 0.0321507 oz t|1 oz t = 31.1034768 g

Our gram to troy ounce calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Grams and troy ounces are both units used to measure weight. Keep reading to learn more about each unit.

What Is a Gram?

A gram is a unit of weight equal to 1/1,000 of a kilogram (0.001 kg). Metric unit equal to one-thousandth of a kilogram (0.001 kg). [1]

The gram is classified as a metric and SI-compatible unit of weight. Grams can be abbreviated as g; for example, 1 gram can be written as 1 g.

When working with grams (g) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, grams (g) are widely used across fine-tolerance laboratory, analytical, and micro-scale weight measurements within SI metric workflows, engineering documentation, and technical data sheets.

What Is a Troy Ounce?

A troy ounce is a unit of weight equal to 0.0311035 kilograms (kg), the base unit for weight. Precious metal (gold, silver, platinum) mass standard equal to 480 grains or exactly 31.1034768 grams. [2]

The troy ounce is classified as a standard unit of weight. Troy Ounces can be abbreviated as oz t; for example, 1 troy ounce can be written as 1 oz t.

When working with troy ounces (oz t) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, troy ounces (oz t) are widely used across standard weight applications within international standard workflows, engineering documentation, and technical data sheets.

When converting weight between grams (g) and troy ounces (oz t), keep full floating-point precision (1 g = 0.0321507 oz t; 1 oz t = 31.1034768 g) during intermediate calculations and round only the final troy ounce figure to match your instrument tolerance.

More Gram & Troy Ounce Conversions

Need to calculate in the opposite direction? Use our troy ounces to grams converter (oz t to g) to switch your starting unit immediately. You can also explore related tools such as converting grams to ounces, converting grams to kilograms, or converting kilograms to pounds.

Frequently Asked Questions

There are 0.03215 troy ounces (oz t) in 1 gram (g). Conversely, 1 troy ounce (oz t) is equal to 31.10348 grams (g).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Grams (g) to Troy Ounces (oz t)
    NIST OWM Standard
  2. [2]
    NIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Gram (g) & Troy Ounce (oz t)
    NIST HB 44 Specification
  3. [3]
    BIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (g to oz t)
    BIPM Reference
Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories