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 Slug per Cup
Convert pound per cubic inch (lb/in3) to slug per cup (slug/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic inch (lb/in3) to slug per cup (slug/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Slug per Cup (slug/cup) expresses mass in slug per unit volume in cup, found by dividing a mass value by a volume value.
slug/cup = lb/in3 × 0.448731
Results update instantly for Pound per Cubic inch to Slug per Cup conversions.
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Formula
slug/cup = lb/in3 × 0.448731
lb/in3 = slug/cup × 2.228506
Conversion table
| 1 lb/in3 | 0.448731 slug/cup |
| 5 lb/in3 | 2.243656 slug/cup |
| 10 lb/in3 | 4.487312 slug/cup |
| 20 lb/in3 | 8.974624 slug/cup |
| 50 lb/in3 | 22.436561 slug/cup |
| 100 lb/in3 | 44.873122 slug/cup |
| 500 lb/in3 | 224.365609 slug/cup |
| 1000 lb/in3 | 448.731218 slug/cup |
Related conversions
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How the formula works
Both pound per cubic inch and slug per cup 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 0.448731 to get slug per cup. To reverse the conversion, multiply a slug per cup value by 2.228506 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 Slug per Cup (slug/cup)?
Slug per Cup (slug/cup) expresses mass in slug per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per cubic inch to slug per cup?
Multiply the pound per cubic inch value by 0.448731 to get the equivalent in slug per cup. For example, 5 lb/in3 × 0.448731 = 2.243656 slug/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.448731 is an exact, non-rounded value.
Can I convert slug per cup back to pound per cubic inch?
Yes. Divide the slug per cup value by 0.448731, or multiply it by 2.228506, to get pound per cubic inch.
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About converting pound per cubic inch to slug per cup
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. Slug per Cup (slug/cup) expresses mass in slug per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic inch and slug 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.