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 Cup
Convert grain per cup (gr/cup) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
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Convert grain per cup (gr/cup) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
st/cup = gr/cup × 1.020408e-5
Results update instantly for Grain per Cup to Stone per Cup conversions.
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Formula
st/cup = gr/cup × 1.020408e-5
gr/cup = st/cup × 98000
Conversion table
| 1 gr/cup | 1.020408e-5 st/cup |
| 5 gr/cup | 5.102041e-5 st/cup |
| 10 gr/cup | 0.000102 st/cup |
| 20 gr/cup | 0.000204 st/cup |
| 50 gr/cup | 0.00051 st/cup |
| 100 gr/cup | 0.00102 st/cup |
| 500 gr/cup | 0.005102 st/cup |
| 1000 gr/cup | 0.010204 st/cup |
Related conversions
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How the formula works
Both grain per cup and stone per cup 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 1.020408e-5 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 98000 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 Cup (st/cup)?
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert grain per cup to stone per cup?
Multiply the grain per cup value by 1.020408e-5 to get the equivalent in stone per cup. For example, 5 gr/cup × 1.020408e-5 = 5.102041e-5 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.020408e-5 is an exact, non-rounded value.
Can I convert stone per cup back to grain per cup?
Yes. Divide the stone per cup value by 1.020408e-5, or multiply it by 98000, to get grain per cup.
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About converting grain per cup to stone per 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. Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between grain per cup and stone 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.