Carat per Cup (ct/cup) expresses mass in carat per unit volume in cup, found by dividing a mass value by a volume value.
Carat per Cup to Dram per Cubic inch
Convert carat per cup (ct/cup) to dram per cubic inch (dr/in3) instantly with formula, conversion table, and FAQ.
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Convert carat per cup (ct/cup) to dram per cubic inch (dr/in3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Cubic inch (dr/in3) expresses mass in dram per unit volume in cubic inch, found by dividing a mass value by a volume value.
dr/in3 = ct/cup × 0.007818
Results update instantly for Carat per Cup to Dram per Cubic inch conversions.
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Formula
dr/in3 = ct/cup × 0.007818
ct/cup = dr/in3 × 127.905075
Conversion table
| 1 ct/cup | 0.007818 dr/in3 |
| 5 ct/cup | 0.039091 dr/in3 |
| 10 ct/cup | 0.078183 dr/in3 |
| 20 ct/cup | 0.156366 dr/in3 |
| 50 ct/cup | 0.390915 dr/in3 |
| 100 ct/cup | 0.78183 dr/in3 |
| 500 ct/cup | 3.909149 dr/in3 |
| 1000 ct/cup | 7.818298 dr/in3 |
Related conversions
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How the formula works
Both carat per cup and dram per cubic inch measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per cup by 0.007818 to get dram per cubic inch. To reverse the conversion, multiply a dram per cubic inch value by 127.905075 to get back to carat per cup.
Frequently asked questions
What is Carat per Cup (ct/cup)?
Carat per Cup (ct/cup) expresses mass in carat per unit volume in cup, found by dividing a mass value by a volume value.
What is Dram per Cubic inch (dr/in3)?
Dram per Cubic inch (dr/in3) expresses mass in dram per unit volume in cubic inch, found by dividing a mass value by a volume value.
How do I convert carat per cup to dram per cubic inch?
Multiply the carat per cup value by 0.007818 to get the equivalent in dram per cubic inch. For example, 5 ct/cup × 0.007818 = 0.039091 dr/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.007818 is an exact, non-rounded value.
Can I convert dram per cubic inch back to carat per cup?
Yes. Divide the dram per cubic inch value by 0.007818, or multiply it by 127.905075, to get carat per cup.
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About converting carat per cup to dram per cubic inch
Carat per Cup (ct/cup) expresses mass in carat per unit volume in cup, found by dividing a mass value by a volume value. Dram per Cubic inch (dr/in3) expresses mass in dram per unit volume in cubic inch, found by dividing a mass value by a volume value.
Use this calculator to move between carat per cup and dram per cubic inch accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.