Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
Pound per Cup to Stone per Gallon
Convert pound per cup (lb/cup) to stone per gallon (st/gal) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to stone per gallon (st/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Gallon (st/gal) expresses mass in stone per unit volume in gallon, found by dividing a mass value by a volume value.
st/gal = lb/cup × 1.142857
Results update instantly for Pound per Cup to Stone per Gallon conversions.
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Formula
st/gal = lb/cup × 1.142857
lb/cup = st/gal × 0.875
Conversion table
| 1 lb/cup | 1.142857 st/gal |
| 5 lb/cup | 5.714286 st/gal |
| 10 lb/cup | 11.428571 st/gal |
| 20 lb/cup | 22.857143 st/gal |
| 50 lb/cup | 57.142857 st/gal |
| 100 lb/cup | 114.285714 st/gal |
| 500 lb/cup | 571.428571 st/gal |
| 1000 lb/cup | 1142.857143 st/gal |
Related conversions
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How the formula works
Both pound per cup and stone 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 cup by 1.142857 to get stone per gallon. To reverse the conversion, multiply a stone per gallon value by 0.875 to get back to pound per cup.
Frequently asked questions
What is Pound per Cup (lb/cup)?
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
What is Stone per Gallon (st/gal)?
Stone per Gallon (st/gal) expresses mass in stone per unit volume in gallon, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per gallon?
Multiply the pound per cup value by 1.142857 to get the equivalent in stone per gallon. For example, 5 lb/cup × 1.142857 = 5.714286 st/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.142857 is an exact, non-rounded value.
Can I convert stone per gallon back to pound per cup?
Yes. Divide the stone per gallon value by 1.142857, or multiply it by 0.875, to get pound per cup.
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About converting pound per cup to stone per gallon
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value. Stone per Gallon (st/gal) expresses mass in stone per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and stone 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.