Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Pound per Gallon to Grain per Cup
Convert pound per gallon (lb/gal) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per gallon (lb/gal) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
gr/cup = lb/gal × 437.5
Results update instantly for Pound per Gallon to Grain per Cup conversions.
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Formula
gr/cup = lb/gal × 437.5
lb/gal = gr/cup × 0.002286
Conversion table
| 1 lb/gal | 437.5 gr/cup |
| 5 lb/gal | 2187.5 gr/cup |
| 10 lb/gal | 4375 gr/cup |
| 20 lb/gal | 8750 gr/cup |
| 50 lb/gal | 21875 gr/cup |
| 100 lb/gal | 43750 gr/cup |
| 500 lb/gal | 218750 gr/cup |
| 1000 lb/gal | 437500 gr/cup |
Related conversions
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How the formula works
Both pound per gallon and grain 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 gallon by 437.5 to get grain per cup. To reverse the conversion, multiply a grain per cup value by 0.002286 to get back to pound per gallon.
Frequently asked questions
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.
What is Grain per Cup (gr/cup)?
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per gallon to grain per cup?
Multiply the pound per gallon value by 437.5 to get the equivalent in grain per cup. For example, 5 lb/gal × 437.5 = 2187.5 gr/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 437.5 is an exact, non-rounded value.
Can I convert grain per cup back to pound per gallon?
Yes. Divide the grain per cup value by 437.5, or multiply it by 0.002286, to get pound per gallon.
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About converting pound per gallon to grain per cup
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value. Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between pound per gallon and grain 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.