Troy Ounce to Gram Converter
Convert Troy Ounce (oz t) to Gram (g) instantly. 1 oz t = 31.103477 g.
Mass Converter
26 units available
1 oz t = 31.103477 g
Formula:
g = oz t × 31.1034768With your value: 1 oz t = 31.1034768 g
How big is that?
Everyday references on a logarithmic scale, all expressed in troy ounce so you can sanity-check the result.
Other Troy Ounce to Gram conversions
Troy Ounce to Gram Conversion Table
| Troy Ounce (oz t) | Gram (g) |
|---|---|
| 0.5 | 15.551738 |
| 1 | 31.103477 |
| 2 | 62.206954 |
| 5 | 155.517384 |
| 10 | 311.034768 |
| 15 | 466.552152 |
| 20 | 622.069536 |
| 25 | 777.58692 |
| 50 | 1,555.17384 |
| 100 | 3,110.34768 |
| 250 | 7,775.8692 |
| 500 | 15,551.7384 |
| 1000 | 31,103.4768 |
Gram to Troy Ounce Conversion Table
| Gram (g) | Troy Ounce (oz t) |
|---|---|
| 0.5 | 0.016075 |
| 1 | 0.032151 |
| 2 | 0.064301 |
| 5 | 0.160754 |
| 10 | 0.321507 |
| 15 | 0.482261 |
| 20 | 0.643015 |
| 25 | 0.803769 |
| 50 | 1.607537 |
| 100 | 3.215075 |
| 250 | 8.037687 |
| 500 | 16.075373 |
| 1000 | 32.150747 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Troy Ounce (oz t)
Mass
1 troy ounce = 480 grains = 0.031 103 476 8 kg exactly. Used for precious metals only.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Gram (g)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Troy Ounce to Gram
To convert from Troy Ounce (oz t) to Gram (g), multiply the value by 31.1034768.
Formula: g = oz t × 31.1034768
Reverse: oz t = g × 0.0321507466
Step-by-Step Example
- Start with your value in Troy Ounce. For example: 5 oz t
- Multiply by the conversion factor: 5 x 31.1034768
- The result is: 155.517384 g
About Troy Ounce
The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.
Common uses: gold trading, silver markets, precious metals.
About Gram
The gram equals one thousandth of a kilogram. It is commonly used for measuring food, ingredients, and small items.
Common uses: cooking, nutrition labels, jewelry.
Frequently Asked Questions
How many Gram are in 1 Troy Ounce?
There are exactly 31.1034768 Gram in 1 Troy Ounce. This means the conversion factor from Troy Ounce to Gram is 31.1034768.
What is the formula to convert Troy Ounce to Gram?
The formula to convert Troy Ounce to Gram is: g = oz t × 31.1034768. For example, to convert 10 Troy Ounce to Gram, you would multiply 10 by 31.1034768.
What is a Troy Ounce?
The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.
What is a Gram?
The gram equals one thousandth of a kilogram. It is commonly used for measuring food, ingredients, and small items.
What are the common uses of Troy Ounce?
The Troy Ounce is commonly used in gold trading, silver markets, precious metals.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Troy Ounce to Gram converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/troy_ounce-to-gram