Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value.
Carat per Cubic inch to Pound per Cup
Convert carat per cubic inch (ct/in3) to pound per cup (lb/cup) instantly with formula, conversion table, and FAQ.
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Convert carat per cubic inch (ct/in3) to pound per cup (lb/cup) instantly with formula, conversion table, and FAQ.
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
lb/cup = ct/in3 × 0.006366
Results update instantly for Carat per Cubic inch to Pound per Cup conversions.
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Formula
lb/cup = ct/in3 × 0.006366
ct/in3 = lb/cup × 157.088267
Conversion table
| 1 ct/in3 | 0.006366 lb/cup |
| 5 ct/in3 | 0.031829 lb/cup |
| 10 ct/in3 | 0.063658 lb/cup |
| 20 ct/in3 | 0.127317 lb/cup |
| 50 ct/in3 | 0.318292 lb/cup |
| 100 ct/in3 | 0.636585 lb/cup |
| 500 ct/in3 | 3.182924 lb/cup |
| 1000 ct/in3 | 6.365848 lb/cup |
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How the formula works
Both carat per cubic inch and pound 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 cubic inch by 0.006366 to get pound per cup. To reverse the conversion, multiply a pound per cup value by 157.088267 to get back to carat per cubic inch.
Frequently asked questions
What is Carat per Cubic inch (ct/in3)?
Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Pound per Cup (lb/cup)?
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert carat per cubic inch to pound per cup?
Multiply the carat per cubic inch value by 0.006366 to get the equivalent in pound per cup. For example, 5 ct/in3 × 0.006366 = 0.031829 lb/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.006366 is an exact, non-rounded value.
Can I convert pound per cup back to carat per cubic inch?
Yes. Divide the pound per cup value by 0.006366, or multiply it by 157.088267, to get carat per cubic inch.
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About converting carat per cubic inch to pound per cup
Carat per Cubic inch (ct/in3) expresses mass in carat per unit volume in cubic inch, found by dividing a mass value by a volume value. Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between carat per cubic inch and pound 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.