Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
Pound per Cup to Centigram per Cubic inch
Convert pound per cup (lb/cup) to centigram per cubic inch (cg/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 pound per cup (lb/cup) to centigram per cubic inch (cg/in3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Centigram per Cubic inch (cg/in3) expresses mass in centigram per unit volume in cubic inch, found by dividing a mass value by a volume value.
cg/in3 = lb/cup × 3141.765333
Results update instantly for Pound per Cup to Centigram per Cubic inch conversions.
Reserved above the conversion cards and below the converter.
Formula
cg/in3 = lb/cup × 3141.765333
lb/cup = cg/in3 × 0.000318
Conversion table
| 1 lb/cup | 3141.765333 cg/in3 |
| 5 lb/cup | 15708.826667 cg/in3 |
| 10 lb/cup | 31417.653333 cg/in3 |
| 20 lb/cup | 62835.306667 cg/in3 |
| 50 lb/cup | 157088.266667 cg/in3 |
| 100 lb/cup | 314176.533333 cg/in3 |
| 500 lb/cup | 1.570883e6 cg/in3 |
| 1000 lb/cup | 3.141765e6 cg/in3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per cup and centigram per cubic inch measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cup by 3141.765333 to get centigram per cubic inch. To reverse the conversion, multiply a centigram per cubic inch value by 0.000318 to get back to pound per cup.
Frequently asked questions
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.
What is Centigram per Cubic inch (cg/in3)?
Centigram per Cubic inch (cg/in3) expresses mass in centigram per unit volume in cubic inch, found by dividing a mass value by a volume value.
How do I convert pound per cup to centigram per cubic inch?
Multiply the pound per cup value by 3141.765333 to get the equivalent in centigram per cubic inch. For example, 5 lb/cup × 3141.765333 = 15708.826667 cg/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 3141.765333 is an exact, non-rounded value.
Can I convert centigram per cubic inch back to pound per cup?
Yes. Divide the centigram per cubic inch value by 3141.765333, or multiply it by 0.000318, to get pound per cup.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per cup to centigram per cubic inch
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value. Centigram per Cubic inch (cg/in3) expresses mass in centigram per unit volume in cubic inch, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and centigram 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.