Table Of Contents
Troy ounce to carat Conversion
1 troy ounce (oz t) is equal to 155.517384 carat (CD).
1 oz t = 155.517384 CD
or
1 CD = 0.006430149314 oz t
Formula
To convert a mass from troy ounce (oz t) to carat (CD), multiply the mass in troy ounce by 155.517384
m(CD) = m(oz t) × 155.517384
Examples:
Convert 1000 troy ounce to carat:
m(CD) = 1000oz t × 155.517384 = 155517.384 CD
Conversion table
| Troy ounce (oz t) | Carat (CD) |
|---|---|
| 1 oz t | 155.517384 CD |
| 2 oz t | 311.034768 CD |
| 3 oz t | 466.552152 CD |
| 5 oz t | 777.58692 CD |
| 10 oz t | 1555.17384 CD |
| 20 oz t | 3110.34768 CD |
| 25 oz t | 3887.9346 CD |
| 50 oz t | 7775.8692 CD |
| 100 oz t | 15551.7384 CD |
| 250 oz t | 38879.346 CD |
| 500 oz t | 77758.692 CD |
| 1000 oz t | 155517.384 CD |
| Carat (CD) | Troy ounce (oz t) |
|---|---|
| 1 CD | 0.006430149 oz t |
| 2 CD | 0.012860299 oz t |
| 3 CD | 0.019290448 oz t |
| 5 CD | 0.032150747 oz t |
| 10 CD | 0.064301493 oz t |
| 20 CD | 0.128602986 oz t |
| 25 CD | 0.160753733 oz t |
| 50 CD | 0.321507466 oz t |
| 100 CD | 0.643014931 oz t |
| 250 CD | 1.607537328 oz t |
| 500 CD | 3.215074657 oz t |
| 1000 CD | 6.430149314 oz t |
Frequently asked questions
How do I convert troy ounce to carat?
Multiply the value in troy ounce by 155.517384 to get the result in carat. For example, 5 oz t × 155.517384 = 777.58692 CD.
How many carat are in 1 troy ounce?
1 troy ounce (oz t) is equal to 155.517384 carat (CD).
How do I convert carat back to troy ounce?
Use the inverse operation: divide the value in carat by 155.517384 to get the result in troy ounce.
How accurate is the troy ounce to carat conversion?
The converter multiplies by the conversion factor 155.517384 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)
