Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value.
Pound per Imperial gallon to Gram per Cubic Millimeter
Convert pound per imperial gallon (lb/imp gal) to gram per cubic millimeter (g/mm3) instantly with formula, conversion table, and FAQ.
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Convert pound per imperial gallon (lb/imp gal) to gram per cubic millimeter (g/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Gram per Cubic Millimeter (g/mm3) expresses mass in gram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
g/mm3 = lb/imp gal × 9.977637e-5
Results update instantly for Pound per Imperial gallon to Gram per Cubic Millimeter conversions.
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Formula
g/mm3 = lb/imp gal × 9.977637e-5
lb/imp gal = g/mm3 × 10022.412855
Conversion table
| 1 lb/imp gal | 9.977637e-5 g/mm3 |
| 5 lb/imp gal | 0.000499 g/mm3 |
| 10 lb/imp gal | 0.000998 g/mm3 |
| 20 lb/imp gal | 0.001996 g/mm3 |
| 50 lb/imp gal | 0.004989 g/mm3 |
| 100 lb/imp gal | 0.009978 g/mm3 |
| 500 lb/imp gal | 0.049888 g/mm3 |
| 1000 lb/imp gal | 0.099776 g/mm3 |
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How the formula works
Both pound per imperial gallon and gram per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per imperial gallon by 9.977637e-5 to get gram per cubic millimeter. To reverse the conversion, multiply a gram per cubic millimeter value by 10022.412855 to get back to pound per imperial gallon.
Frequently asked questions
What is Pound per Imperial gallon (lb/imp gal)?
Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value.
What is Gram per Cubic Millimeter (g/mm3)?
Gram per Cubic Millimeter (g/mm3) expresses mass in gram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert pound per imperial gallon to gram per cubic millimeter?
Multiply the pound per imperial gallon value by 9.977637e-5 to get the equivalent in gram per cubic millimeter. For example, 5 lb/imp gal × 9.977637e-5 = 0.000499 g/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 9.977637e-5 is an exact, non-rounded value.
Can I convert gram per cubic millimeter back to pound per imperial gallon?
Yes. Divide the gram per cubic millimeter value by 9.977637e-5, or multiply it by 10022.412855, to get pound per imperial gallon.
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About converting pound per imperial gallon to gram per cubic millimeter
Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value. Gram per Cubic Millimeter (g/mm3) expresses mass in gram per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between pound per imperial gallon and gram per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.