Table Of Contents
Carat to grams Conversion
1 carat (CD) is equal to 0.2 grams (gram).
1 CD = 0.2 gram
or
1 gram = 5 CD
Formula
To convert a mass from carat (CD) to grams (gram), divide the mass in carat by 5
m(gram) = m(CD) / 5
Examples:
Convert 250 carat to grams:
m(gram) = 250CD / 5 = 50 gram
Conversion table
| Carat (CD) | Grams (gram) |
|---|---|
| 1 CD | 0.2 gram |
| 2 CD | 0.4 gram |
| 3 CD | 0.6 gram |
| 5 CD | 1 gram |
| 10 CD | 2 gram |
| 20 CD | 4 gram |
| 25 CD | 5 gram |
| 50 CD | 10 gram |
| 100 CD | 20 gram |
| 250 CD | 50 gram |
| 500 CD | 100 gram |
| 1000 CD | 200 gram |
| Grams (gram) | Carat (CD) |
|---|---|
| 1 gram | 5 CD |
| 2 gram | 10 CD |
| 3 gram | 15 CD |
| 5 gram | 25 CD |
| 10 gram | 50 CD |
| 20 gram | 100 CD |
| 25 gram | 125 CD |
| 50 gram | 250 CD |
| 100 gram | 500 CD |
| 250 gram | 1250 CD |
| 500 gram | 2500 CD |
| 1000 gram | 5000 CD |
Frequently asked questions
How do I convert carat to grams?
Divide the value in carat by 5 to get the result in grams. For example, 5 CD ÷ 5 = 1 gram.
How many grams are in 1 carat?
1 carat (CD) is equal to 0.2 grams (gram).
How do I convert grams back to carat?
Use the inverse operation: multiply the value in grams by 5 to get the result in carat.
How accurate is the carat to grams conversion?
The converter multiplies by the conversion factor 5 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)
