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.
Carat per Cubic Millimeter to Pound per Cubic inch
Convert carat per cubic millimeter (ct/mm3) to pound per cubic inch (lb/in3) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert carat per cubic millimeter (ct/mm3) to pound per cubic inch (lb/in3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
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.
lb/in3 = ct/mm3 × 7.225458
Results update instantly for Carat per Cubic Millimeter to Pound per Cubic inch conversions.
Reserved above the conversion cards and below the converter.
Formula
lb/in3 = ct/mm3 × 7.225458
ct/mm3 = lb/in3 × 0.1384
Conversion table
| 1 ct/mm3 | 7.225458 lb/in3 |
| 5 ct/mm3 | 36.127292 lb/in3 |
| 10 ct/mm3 | 72.254584 lb/in3 |
| 20 ct/mm3 | 144.509168 lb/in3 |
| 50 ct/mm3 | 361.27292 lb/in3 |
| 100 ct/mm3 | 722.54584 lb/in3 |
| 500 ct/mm3 | 3612.7292 lb/in3 |
| 1000 ct/mm3 | 7225.4584 lb/in3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both carat per cubic millimeter and pound per cubic inch measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per cubic millimeter by 7.225458 to get pound per cubic inch. To reverse the conversion, multiply a pound per cubic inch value by 0.1384 to get back to carat per cubic millimeter.
Frequently asked questions
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.
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.
How do I convert carat per cubic millimeter to pound per cubic inch?
Multiply the carat per cubic millimeter value by 7.225458 to get the equivalent in pound per cubic inch. For example, 5 ct/mm3 × 7.225458 = 36.127292 lb/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 7.225458 is an exact, non-rounded value.
Can I convert pound per cubic inch back to carat per cubic millimeter?
Yes. Divide the pound per cubic inch value by 7.225458, or multiply it by 0.1384, to get carat per cubic millimeter.
Reserved between the FAQ and the article so the page stays balanced.
About converting carat per cubic millimeter to pound per cubic inch
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. 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.
Use this calculator to move between carat per cubic millimeter and pound per cubic inch accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.