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 Long ton per Cubic Millimeter
Convert carat per cup (ct/cup) to long ton per cubic millimeter (long ton/mm3) instantly with formula, conversion table, and FAQ.
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Convert carat per cup (ct/cup) to long ton per cubic millimeter (long ton/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Long ton per Cubic Millimeter (long ton/mm3) expresses mass in long ton per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
long ton/mm3 = ct/cup × 8.319995e-13
Results update instantly for Carat per Cup to Long ton per Cubic Millimeter conversions.
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Formula
long ton/mm3 = ct/cup × 8.319995e-13
ct/cup = long ton/mm3 × 1.201924e12
Conversion table
| 1 ct/cup | 8.319995e-13 long ton/mm3 |
| 5 ct/cup | 4.159998e-12 long ton/mm3 |
| 10 ct/cup | 8.319995e-12 long ton/mm3 |
| 20 ct/cup | 1.663999e-11 long ton/mm3 |
| 50 ct/cup | 4.159998e-11 long ton/mm3 |
| 100 ct/cup | 8.319995e-11 long ton/mm3 |
| 500 ct/cup | 4.159998e-10 long ton/mm3 |
| 1000 ct/cup | 8.319995e-10 long ton/mm3 |
Related conversions
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How the formula works
Both carat per cup and long ton 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 8.319995e-13 to get long ton per cubic millimeter. To reverse the conversion, multiply a long ton per cubic millimeter value by 1.201924e12 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 Long ton per Cubic Millimeter (long ton/mm3)?
Long ton per Cubic Millimeter (long ton/mm3) expresses mass in long ton per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert carat per cup to long ton per cubic millimeter?
Multiply the carat per cup value by 8.319995e-13 to get the equivalent in long ton per cubic millimeter. For example, 5 ct/cup × 8.319995e-13 = 4.159998e-12 long ton/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 8.319995e-13 is an exact, non-rounded value.
Can I convert long ton per cubic millimeter back to carat per cup?
Yes. Divide the long ton per cubic millimeter value by 8.319995e-13, or multiply it by 1.201924e12, to get carat per cup.
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About converting carat per cup to long ton 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. Long ton per Cubic Millimeter (long ton/mm3) expresses mass in long ton 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 long ton 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.