Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
Grain per Cup to Stone per Gallon
Convert grain per cup (gr/cup) to stone per gallon (st/gal) instantly with formula, conversion table, and FAQ.
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Convert grain per cup (gr/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 = gr/cup × 0.000163
Results update instantly for Grain per Cup to Stone per Gallon conversions.
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Formula
st/gal = gr/cup × 0.000163
gr/cup = st/gal × 6125
Conversion table
| 1 gr/cup | 0.000163 st/gal |
| 5 gr/cup | 0.000816 st/gal |
| 10 gr/cup | 0.001633 st/gal |
| 20 gr/cup | 0.003265 st/gal |
| 50 gr/cup | 0.008163 st/gal |
| 100 gr/cup | 0.016327 st/gal |
| 500 gr/cup | 0.081633 st/gal |
| 1000 gr/cup | 0.163265 st/gal |
Related conversions
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How the formula works
Both grain 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 grain per cup by 0.000163 to get stone per gallon. To reverse the conversion, multiply a stone per gallon value by 6125 to get back to grain per cup.
Frequently asked questions
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.
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 grain per cup to stone per gallon?
Multiply the grain per cup value by 0.000163 to get the equivalent in stone per gallon. For example, 5 gr/cup × 0.000163 = 0.000816 st/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.000163 is an exact, non-rounded value.
Can I convert stone per gallon back to grain per cup?
Yes. Divide the stone per gallon value by 0.000163, or multiply it by 6125, to get grain per cup.
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About converting grain per cup to stone per gallon
Grain per Cup (gr/cup) expresses mass in grain 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 grain 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.