Table Of Contents
Carat to troy ounce Conversion
1 carat (CD) is equal to 0.006430149314 troy ounce (oz t).
1 CD = 0.006430149314 oz t
or
1 oz t = 155.517384 CD
Formula
To convert a mass from carat (CD) to troy ounce (oz t), divide the mass in carat by 155.517384
m(oz t) = m(CD) / 155.517384
Examples:
Convert 100 carat to troy ounce:
m(oz t) = 100CD / 155.517384 = 0.6430149314 oz t
Conversion table
| 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 |
| 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 |
Frequently asked questions
How do I convert carat to troy ounce?
Divide the value in carat by 155.517384 to get the result in troy ounce. For example, 5 CD ÷ 155.517384 = 0.032150747 oz t.
How many troy ounce are in 1 carat?
1 carat (CD) is equal to 0.006430149 troy ounce (oz t).
How do I convert troy ounce back to carat?
Use the inverse operation: multiply the value in troy ounce by 155.517384 to get the result in carat.
How accurate is the carat to troy ounce 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)
