Gram per Cubic inch (g/in3) expresses mass in gram per unit volume in cubic inch, found by dividing a mass value by a volume value.
Gram per Cubic inch to Pound per Gallon
Convert gram per cubic inch (g/in3) to pound per gallon (lb/gal) instantly with formula, conversion table, and FAQ.
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Convert gram per cubic inch (g/in3) to pound per gallon (lb/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
lb/gal = g/in3 × 0.509268
Results update instantly for Gram per Cubic inch to Pound per Gallon conversions.
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Formula
lb/gal = g/in3 × 0.509268
g/in3 = lb/gal × 1.963603
Conversion table
| 1 g/in3 | 0.509268 lb/gal |
| 5 g/in3 | 2.546339 lb/gal |
| 10 g/in3 | 5.092678 lb/gal |
| 20 g/in3 | 10.185357 lb/gal |
| 50 g/in3 | 25.463391 lb/gal |
| 100 g/in3 | 50.926783 lb/gal |
| 500 g/in3 | 254.633913 lb/gal |
| 1000 g/in3 | 509.267826 lb/gal |
Related conversions
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How the formula works
Both gram per cubic inch and pound per gallon measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in gram per cubic inch by 0.509268 to get pound per gallon. To reverse the conversion, multiply a pound per gallon value by 1.963603 to get back to gram per cubic inch.
Frequently asked questions
What is Gram per Cubic inch (g/in3)?
Gram per Cubic inch (g/in3) expresses mass in gram per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Pound per Gallon (lb/gal)?
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
How do I convert gram per cubic inch to pound per gallon?
Multiply the gram per cubic inch value by 0.509268 to get the equivalent in pound per gallon. For example, 5 g/in3 × 0.509268 = 2.546339 lb/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.509268 is an exact, non-rounded value.
Can I convert pound per gallon back to gram per cubic inch?
Yes. Divide the pound per gallon value by 0.509268, or multiply it by 1.963603, to get gram per cubic inch.
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About converting gram per cubic inch to pound per gallon
Gram per Cubic inch (g/in3) expresses mass in gram per unit volume in cubic inch, found by dividing a mass value by a volume value. Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between gram per cubic inch and pound 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.