Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value.
Pound per Cubic inch to Carat per Cubic Millimeter
Convert pound per cubic inch (lb/in3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic inch (lb/in3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
ct/mm3 = lb/in3 × 0.1384
Results update instantly for Pound per Cubic inch to Carat per Cubic Millimeter conversions.
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Formula
ct/mm3 = lb/in3 × 0.1384
lb/in3 = ct/mm3 × 7.225458
Conversion table
| 1 lb/in3 | 0.1384 ct/mm3 |
| 5 lb/in3 | 0.691998 ct/mm3 |
| 10 lb/in3 | 1.383995 ct/mm3 |
| 20 lb/in3 | 2.76799 ct/mm3 |
| 50 lb/in3 | 6.919976 ct/mm3 |
| 100 lb/in3 | 13.839952 ct/mm3 |
| 500 lb/in3 | 69.199762 ct/mm3 |
| 1000 lb/in3 | 138.399524 ct/mm3 |
Related conversions
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How the formula works
Both pound per cubic inch and carat per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cubic inch by 0.1384 to get carat per cubic millimeter. To reverse the conversion, multiply a carat per cubic millimeter value by 7.225458 to get back to pound per cubic inch.
Frequently asked questions
What is Pound per Cubic inch (lb/in3)?
Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Carat per Cubic Millimeter (ct/mm3)?
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert pound per cubic inch to carat per cubic millimeter?
Multiply the pound per cubic inch value by 0.1384 to get the equivalent in carat per cubic millimeter. For example, 5 lb/in3 × 0.1384 = 0.691998 ct/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.1384 is an exact, non-rounded value.
Can I convert carat per cubic millimeter back to pound per cubic inch?
Yes. Divide the carat per cubic millimeter value by 0.1384, or multiply it by 7.225458, to get pound per cubic inch.
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About converting pound per cubic inch to carat per cubic millimeter
Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value. Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic inch and carat per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.