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 Gallon
Convert pound per cubic inch (lb/in3) to slug per gallon (slug/gal) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic inch (lb/in3) to slug per gallon (slug/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Slug per Gallon (slug/gal) expresses mass in slug per unit volume in gallon, found by dividing a mass value by a volume value.
slug/gal = lb/in3 × 7.179699
Results update instantly for Pound per Cubic inch to Slug per Gallon conversions.
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Formula
slug/gal = lb/in3 × 7.179699
lb/in3 = slug/gal × 0.139282
Conversion table
| 1 lb/in3 | 7.179699 slug/gal |
| 5 lb/in3 | 35.898497 slug/gal |
| 10 lb/in3 | 71.796995 slug/gal |
| 20 lb/in3 | 143.59399 slug/gal |
| 50 lb/in3 | 358.984974 slug/gal |
| 100 lb/in3 | 717.969949 slug/gal |
| 500 lb/in3 | 3589.849745 slug/gal |
| 1000 lb/in3 | 7179.69949 slug/gal |
Related conversions
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How the formula works
Both pound per cubic inch and slug per gallon 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 7.179699 to get slug per gallon. To reverse the conversion, multiply a slug per gallon value by 0.139282 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 Gallon (slug/gal)?
Slug per Gallon (slug/gal) expresses mass in slug per unit volume in gallon, found by dividing a mass value by a volume value.
How do I convert pound per cubic inch to slug per gallon?
Multiply the pound per cubic inch value by 7.179699 to get the equivalent in slug per gallon. For example, 5 lb/in3 × 7.179699 = 35.898497 slug/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 7.179699 is an exact, non-rounded value.
Can I convert slug per gallon back to pound per cubic inch?
Yes. Divide the slug per gallon value by 7.179699, or multiply it by 0.139282, to get pound per cubic inch.
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About converting pound per cubic inch to slug per gallon
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 Gallon (slug/gal) expresses mass in slug per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic inch and slug per gallon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.