Dram to Carat Converter
Convert Dram (dr) to Carat (ct) instantly. 1 dr = 8.859226 ct.
Mass Converter
26 units available
1 dr = 8.859226 ct
Formula:
ct = dr × 8.8592259766With your value: 1 dr = 8.85922598 ct
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Carat conversions
Dram to Carat Conversion Table
| Dram (dr) | Carat (ct) |
|---|---|
| 0.5 | 4.429613 |
| 1 | 8.859226 |
| 2 | 17.718452 |
| 5 | 44.29613 |
| 10 | 88.59226 |
| 15 | 132.88839 |
| 20 | 177.18452 |
| 25 | 221.480649 |
| 50 | 442.961299 |
| 100 | 885.922598 |
| 250 | 2,214.806494 |
| 500 | 4,429.612988 |
| 1000 | 8,859.225977 |
Carat to Dram Conversion Table
| Carat (ct) | Dram (dr) |
|---|---|
| 0.5 | 0.056438 |
| 1 | 0.112877 |
| 2 | 0.225753 |
| 5 | 0.564383 |
| 10 | 1.128767 |
| 15 | 1.69315 |
| 20 | 2.257534 |
| 25 | 2.821917 |
| 50 | 5.643834 |
| 100 | 11.287668 |
| 250 | 28.21917 |
| 500 | 56.438339 |
| 1000 | 112.876678 |
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.
Dram (dr)
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
Carat (ct)
Mass
The metric carat is exactly 200 mg, agreed internationally in 1907.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Dram to Carat
To convert from Dram (dr) to Carat (ct), multiply the value by 8.8592259766.
Formula: ct = dr × 8.8592259766
Reverse: dr = ct × 0.1128766782
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 8.8592259766
- The result is: 44.29613 ct
About Dram
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: mass calculations, engineering and science, education.
About Carat
The carat equals 200 milligrams and is the standard unit for measuring gemstone weight.
Fun Fact: The word "carat" comes from the carob seed, which was used as a balance weight in ancient gem trading.
Common uses: gemstones, diamonds, jewelry.
Frequently Asked Questions
How many Carat are in 1 Dram?
There are exactly 8.8592259766 Carat in 1 Dram. This means the conversion factor from Dram to Carat is 8.8592259766.
What is the formula to convert Dram to Carat?
The formula to convert Dram to Carat is: ct = dr × 8.8592259766. For example, to convert 10 Dram to Carat, you would multiply 10 by 8.8592259766.
What is a Dram?
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Carat?
The carat equals 200 milligrams and is the standard unit for measuring gemstone weight.
What are the common uses of Dram?
The Dram is commonly used in mass calculations, engineering and science, education.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Dram to Carat converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-carat