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 Stone per Cubic foot
Convert carat per cup (ct/cup) to stone per cubic foot (st/ft3) instantly with formula, conversion table, and FAQ.
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Convert carat per cup (ct/cup) to stone per cubic foot (st/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
st/ft3 = ct/cup × 0.00377
Results update instantly for Carat per Cup to Stone per Cubic foot conversions.
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Formula
st/ft3 = ct/cup × 0.00377
ct/cup = st/ft3 × 265.2846
Conversion table
| 1 ct/cup | 0.00377 st/ft3 |
| 5 ct/cup | 0.018848 st/ft3 |
| 10 ct/cup | 0.037695 st/ft3 |
| 20 ct/cup | 0.075391 st/ft3 |
| 50 ct/cup | 0.188477 st/ft3 |
| 100 ct/cup | 0.376954 st/ft3 |
| 500 ct/cup | 1.884768 st/ft3 |
| 1000 ct/cup | 3.769537 st/ft3 |
Related conversions
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How the formula works
Both carat per cup and stone per cubic foot 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 0.00377 to get stone per cubic foot. To reverse the conversion, multiply a stone per cubic foot value by 265.2846 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 Stone per Cubic foot (st/ft3)?
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
How do I convert carat per cup to stone per cubic foot?
Multiply the carat per cup value by 0.00377 to get the equivalent in stone per cubic foot. For example, 5 ct/cup × 0.00377 = 0.018848 st/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.00377 is an exact, non-rounded value.
Can I convert stone per cubic foot back to carat per cup?
Yes. Divide the stone per cubic foot value by 0.00377, or multiply it by 265.2846, to get carat per cup.
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About converting carat per cup to stone per cubic foot
Carat per Cup (ct/cup) expresses mass in carat per unit volume in cup, found by dividing a mass value by a volume value. Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
Use this calculator to move between carat per cup and stone per cubic foot accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.