Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value.
Carat per Milliliter to Stone per Cup
Convert carat per milliliter (ct/mL) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
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Convert carat per milliliter (ct/mL) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
st/cup = ct/mL × 0.007451
Results update instantly for Carat per Milliliter to Stone per Cup conversions.
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Formula
st/cup = ct/mL × 0.007451
ct/mL = st/cup × 134.205599
Conversion table
| 1 ct/mL | 0.007451 st/cup |
| 5 ct/mL | 0.037256 st/cup |
| 10 ct/mL | 0.074513 st/cup |
| 20 ct/mL | 0.149025 st/cup |
| 50 ct/mL | 0.372563 st/cup |
| 100 ct/mL | 0.745125 st/cup |
| 500 ct/mL | 3.725627 st/cup |
| 1000 ct/mL | 7.451254 st/cup |
Related conversions
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How the formula works
Both carat per milliliter and stone per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per milliliter by 0.007451 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 134.205599 to get back to carat per milliliter.
Frequently asked questions
What is Carat per Milliliter (ct/mL)?
Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value.
What is Stone per Cup (st/cup)?
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert carat per milliliter to stone per cup?
Multiply the carat per milliliter value by 0.007451 to get the equivalent in stone per cup. For example, 5 ct/mL × 0.007451 = 0.037256 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.007451 is an exact, non-rounded value.
Can I convert stone per cup back to carat per milliliter?
Yes. Divide the stone per cup value by 0.007451, or multiply it by 134.205599, to get carat per milliliter.
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About converting carat per milliliter to stone per cup
Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value. Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between carat per milliliter and stone per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.