Table Of Contents
Troy ounce to grams Conversion
1 troy ounce (oz t) is equal to 31.1034768 grams (gram).
1 oz t = 31.1034768 gram
or
1 gram = 0.03215074657 oz t
Formula
To convert a mass from troy ounce (oz t) to grams (gram), multiply the mass in troy ounce by 31.1034768
m(gram) = m(oz t) × 31.1034768
Examples:
Convert 100 troy ounce to grams:
m(gram) = 100oz t × 31.1034768 = 3110.34768 gram
Conversion table
| Troy ounce (oz t) | Grams (gram) |
|---|---|
| 1 oz t | 31.1034768 gram |
| 2 oz t | 62.2069536 gram |
| 3 oz t | 93.3104304 gram |
| 5 oz t | 155.517384 gram |
| 10 oz t | 311.034768 gram |
| 20 oz t | 622.069536 gram |
| 25 oz t | 777.58692 gram |
| 50 oz t | 1555.17384 gram |
| 100 oz t | 3110.34768 gram |
| 250 oz t | 7775.8692 gram |
| 500 oz t | 15551.7384 gram |
| 1000 oz t | 31103.4768 gram |
| Grams (gram) | Troy ounce (oz t) |
|---|---|
| 1 gram | 0.032150747 oz t |
| 2 gram | 0.064301493 oz t |
| 3 gram | 0.09645224 oz t |
| 5 gram | 0.160753733 oz t |
| 10 gram | 0.321507466 oz t |
| 20 gram | 0.643014931 oz t |
| 25 gram | 0.803768664 oz t |
| 50 gram | 1.607537328 oz t |
| 100 gram | 3.215074657 oz t |
| 250 gram | 8.037686642 oz t |
| 500 gram | 16.075373284 oz t |
| 1000 gram | 32.150746569 oz t |
Frequently asked questions
How do I convert troy ounce to grams?
Multiply the value in troy ounce by 31.1034768 to get the result in grams. For example, 5 oz t × 31.1034768 = 155.517384 gram.
How many grams are in 1 troy ounce?
1 troy ounce (oz t) is equal to 31.1034768 grams (gram).
How do I convert grams back to troy ounce?
Use the inverse operation: divide the value in grams by 31.1034768 to get the result in troy ounce.
How accurate is the troy ounce to grams conversion?
The converter multiplies by the conversion factor 31.1034768 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- ISO 80000-4:2019 — Quantities and units — Part 4: Mechanics
- NIST Handbook 44, Appendix C — General Tables of Units of Measurement (current edition)
- NIST Guide to the SI (SP 811), Appendix B.9: Factors for units listed by kind of quantity or field of science
- Circular of the Bureau of Standards No. 43: The Metric Carat (1st edition, issued November 1, 1913)
