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 Milligram per Cubic Millimeter
Convert carat per cup (ct/cup) to milligram per cubic millimeter (mg/mm3) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert carat per cup (ct/cup) to milligram per cubic millimeter (mg/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Milligram per Cubic Millimeter (mg/mm3) expresses mass in milligram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
mg/mm3 = ct/cup × 0.000845
Results update instantly for Carat per Cup to Milligram per Cubic Millimeter conversions.
Reserved above the conversion cards and below the converter.
Formula
mg/mm3 = ct/cup × 0.000845
ct/cup = mg/mm3 × 1182.941182
Conversion table
| 1 ct/cup | 0.000845 mg/mm3 |
| 5 ct/cup | 0.004227 mg/mm3 |
| 10 ct/cup | 0.008454 mg/mm3 |
| 20 ct/cup | 0.016907 mg/mm3 |
| 50 ct/cup | 0.042268 mg/mm3 |
| 100 ct/cup | 0.084535 mg/mm3 |
| 500 ct/cup | 0.422675 mg/mm3 |
| 1000 ct/cup | 0.845351 mg/mm3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both carat per cup and milligram 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 cup by 0.000845 to get milligram per cubic millimeter. To reverse the conversion, multiply a milligram per cubic millimeter value by 1182.941182 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 Milligram per Cubic Millimeter (mg/mm3)?
Milligram per Cubic Millimeter (mg/mm3) expresses mass in milligram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert carat per cup to milligram per cubic millimeter?
Multiply the carat per cup value by 0.000845 to get the equivalent in milligram per cubic millimeter. For example, 5 ct/cup × 0.000845 = 0.004227 mg/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.000845 is an exact, non-rounded value.
Can I convert milligram per cubic millimeter back to carat per cup?
Yes. Divide the milligram per cubic millimeter value by 0.000845, or multiply it by 1182.941182, to get carat per cup.
Reserved between the FAQ and the article so the page stays balanced.
About converting carat per cup to milligram per cubic millimeter
Carat per Cup (ct/cup) expresses mass in carat per unit volume in cup, found by dividing a mass value by a volume value. Milligram per Cubic Millimeter (mg/mm3) expresses mass in milligram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between carat per cup and milligram 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.