Carat per Quart (ct/qt) expresses mass in carat per unit volume in quart, found by dividing a mass value by a volume value.
Carat per Quart to Stone per Cup
Convert carat per quart (ct/qt) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
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Convert carat per quart (ct/qt) 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/qt × 7.873652e-6
Results update instantly for Carat per Quart to Stone per Cup conversions.
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Formula
st/cup = ct/qt × 7.873652e-6
ct/qt = st/cup × 127005.8636
Conversion table
| 1 ct/qt | 7.873652e-6 st/cup |
| 5 ct/qt | 3.936826e-5 st/cup |
| 10 ct/qt | 7.873652e-5 st/cup |
| 20 ct/qt | 0.000157 st/cup |
| 50 ct/qt | 0.000394 st/cup |
| 100 ct/qt | 0.000787 st/cup |
| 500 ct/qt | 0.003937 st/cup |
| 1000 ct/qt | 0.007874 st/cup |
Related conversions
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How the formula works
Both carat per quart 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 quart by 7.873652e-6 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 127005.8636 to get back to carat per quart.
Frequently asked questions
What is Carat per Quart (ct/qt)?
Carat per Quart (ct/qt) expresses mass in carat per unit volume in quart, 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 quart to stone per cup?
Multiply the carat per quart value by 7.873652e-6 to get the equivalent in stone per cup. For example, 5 ct/qt × 7.873652e-6 = 3.936826e-5 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 7.873652e-6 is an exact, non-rounded value.
Can I convert stone per cup back to carat per quart?
Yes. Divide the stone per cup value by 7.873652e-6, or multiply it by 127005.8636, to get carat per quart.
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About converting carat per quart to stone per cup
Carat per Quart (ct/qt) expresses mass in carat per unit volume in quart, 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 quart 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.