Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
Stone per Cubic foot to Pound per Cubic yard
Convert stone per cubic foot (st/ft3) to pound per cubic yard (lb/yd3) instantly with formula, conversion table, and FAQ.
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Convert stone per cubic foot (st/ft3) to pound per cubic yard (lb/yd3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Pound per Cubic yard (lb/yd3) expresses mass in pound per unit volume in cubic yard, found by dividing a mass value by a volume value.
lb/yd3 = st/ft3 × 378
Results update instantly for Stone per Cubic foot to Pound per Cubic yard conversions.
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Formula
lb/yd3 = st/ft3 × 378
st/ft3 = lb/yd3 × 0.002646
Conversion table
| 1 st/ft3 | 378 lb/yd3 |
| 5 st/ft3 | 1890 lb/yd3 |
| 10 st/ft3 | 3780 lb/yd3 |
| 20 st/ft3 | 7560 lb/yd3 |
| 50 st/ft3 | 18900 lb/yd3 |
| 100 st/ft3 | 37800 lb/yd3 |
| 500 st/ft3 | 189000 lb/yd3 |
| 1000 st/ft3 | 378000 lb/yd3 |
Related conversions
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How the formula works
Both stone per cubic foot and pound per cubic yard measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in stone per cubic foot by 378 to get pound per cubic yard. To reverse the conversion, multiply a pound per cubic yard value by 0.002646 to get back to stone per cubic foot.
Frequently asked questions
What is Stone per Cubic foot (st/ft3)?
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
What is Pound per Cubic yard (lb/yd3)?
Pound per Cubic yard (lb/yd3) expresses mass in pound per unit volume in cubic yard, found by dividing a mass value by a volume value.
How do I convert stone per cubic foot to pound per cubic yard?
Multiply the stone per cubic foot value by 378 to get the equivalent in pound per cubic yard. For example, 5 st/ft3 × 378 = 1890 lb/yd3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 378 is an exact, non-rounded value.
Can I convert pound per cubic yard back to stone per cubic foot?
Yes. Divide the pound per cubic yard value by 378, or multiply it by 0.002646, to get stone per cubic foot.
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About converting stone per cubic foot to pound per cubic yard
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value. Pound per Cubic yard (lb/yd3) expresses mass in pound per unit volume in cubic yard, found by dividing a mass value by a volume value.
Use this calculator to move between stone per cubic foot and pound 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.