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 Cubic yard
Convert pound per cup (lb/cup) to stone per cubic yard (st/yd3) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to stone per cubic yard (st/yd3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cubic yard (st/yd3) expresses mass in stone per unit volume in cubic yard, found by dividing a mass value by a volume value.
st/yd3 = lb/cup × 230.827458
Results update instantly for Pound per Cup to Stone per Cubic yard conversions.
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Formula
st/yd3 = lb/cup × 230.827458
lb/cup = st/yd3 × 0.004332
Conversion table
| 1 lb/cup | 230.827458 st/yd3 |
| 5 lb/cup | 1154.137291 st/yd3 |
| 10 lb/cup | 2308.274583 st/yd3 |
| 20 lb/cup | 4616.549165 st/yd3 |
| 50 lb/cup | 11541.372913 st/yd3 |
| 100 lb/cup | 23082.745826 st/yd3 |
| 500 lb/cup | 115413.729128 st/yd3 |
| 1000 lb/cup | 230827.458256 st/yd3 |
Related conversions
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How the formula works
Both pound per cup and stone per cubic yard 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 230.827458 to get stone per cubic yard. To reverse the conversion, multiply a stone per cubic yard value by 0.004332 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 Cubic yard (st/yd3)?
Stone per Cubic yard (st/yd3) expresses mass in stone per unit volume in cubic yard, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per cubic yard?
Multiply the pound per cup value by 230.827458 to get the equivalent in stone per cubic yard. For example, 5 lb/cup × 230.827458 = 1154.137291 st/yd3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 230.827458 is an exact, non-rounded value.
Can I convert stone per cubic yard back to pound per cup?
Yes. Divide the stone per cubic yard value by 230.827458, or multiply it by 0.004332, to get pound per cup.
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About converting pound per cup to stone per cubic yard
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 Cubic yard (st/yd3) expresses mass in stone per unit volume in cubic yard, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and stone per cubic yard accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.