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 Grain per Cup
Convert carat per quart (ct/qt) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
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Convert carat per quart (ct/qt) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
gr/cup = ct/qt × 0.771618
Results update instantly for Carat per Quart to Grain per Cup conversions.
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Formula
gr/cup = ct/qt × 0.771618
ct/qt = gr/cup × 1.295978
Conversion table
| 1 ct/qt | 0.771618 gr/cup |
| 5 ct/qt | 3.85809 gr/cup |
| 10 ct/qt | 7.716179 gr/cup |
| 20 ct/qt | 15.432358 gr/cup |
| 50 ct/qt | 38.580896 gr/cup |
| 100 ct/qt | 77.161792 gr/cup |
| 500 ct/qt | 385.808959 gr/cup |
| 1000 ct/qt | 771.617918 gr/cup |
Related conversions
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How the formula works
Both carat per quart and grain 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 0.771618 to get grain per cup. To reverse the conversion, multiply a grain per cup value by 1.295978 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 Grain per Cup (gr/cup)?
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert carat per quart to grain per cup?
Multiply the carat per quart value by 0.771618 to get the equivalent in grain per cup. For example, 5 ct/qt × 0.771618 = 3.85809 gr/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.771618 is an exact, non-rounded value.
Can I convert grain per cup back to carat per quart?
Yes. Divide the grain per cup value by 0.771618, or multiply it by 1.295978, to get carat per quart.
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About converting carat per quart to grain 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. Grain per Cup (gr/cup) expresses mass in grain 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 grain 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.