Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value.
Carat per Cubic inch to Dram per Cubic Millimeter
Convert carat per cubic inch (ct/in3) to dram per cubic millimeter (dr/mm3) instantly with formula, conversion table, and FAQ.
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Convert carat per cubic inch (ct/in3) to dram per cubic millimeter (dr/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Cubic Millimeter (dr/mm3) expresses mass in dram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
dr/mm3 = ct/in3 × 6.888158e-6
Results update instantly for Carat per Cubic inch to Dram per Cubic Millimeter conversions.
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Formula
dr/mm3 = ct/in3 × 6.888158e-6
ct/in3 = dr/mm3 × 145176.703068
Conversion table
| 1 ct/in3 | 6.888158e-6 dr/mm3 |
| 5 ct/in3 | 3.444079e-5 dr/mm3 |
| 10 ct/in3 | 6.888158e-5 dr/mm3 |
| 20 ct/in3 | 0.000138 dr/mm3 |
| 50 ct/in3 | 0.000344 dr/mm3 |
| 100 ct/in3 | 0.000689 dr/mm3 |
| 500 ct/in3 | 0.003444 dr/mm3 |
| 1000 ct/in3 | 0.006888 dr/mm3 |
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How the formula works
Both carat per cubic inch and dram per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per cubic inch by 6.888158e-6 to get dram per cubic millimeter. To reverse the conversion, multiply a dram per cubic millimeter value by 145176.703068 to get back to carat per cubic inch.
Frequently asked questions
What is Carat per Cubic inch (ct/in3)?
Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Dram per Cubic Millimeter (dr/mm3)?
Dram per Cubic Millimeter (dr/mm3) expresses mass in dram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert carat per cubic inch to dram per cubic millimeter?
Multiply the carat per cubic inch value by 6.888158e-6 to get the equivalent in dram per cubic millimeter. For example, 5 ct/in3 × 6.888158e-6 = 3.444079e-5 dr/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 6.888158e-6 is an exact, non-rounded value.
Can I convert dram per cubic millimeter back to carat per cubic inch?
Yes. Divide the dram per cubic millimeter value by 6.888158e-6, or multiply it by 145176.703068, to get carat per cubic inch.
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About converting carat per cubic inch to dram per cubic millimeter
Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value. Dram per Cubic Millimeter (dr/mm3) expresses mass in dram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between carat per cubic inch and dram per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.