Mass per volume density.
Pounds per Cubic yard to Stones per Cubic yard Converter — lb/yd3 to st/yd3
Convert Pound per Cubic yard (lb/yd3) to Stone per Cubic yard (st/yd3) using the exact conversion factor (1 pound per cubic yard = 0.0714285714 stone per cubic yard). See the formula, worked examples, and conversion table.
Pounds per Cubic yard to Stones per Cubic yard converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.5932764213 / 8.305869898.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic yard to Stones per Cubic yard
Pound per Cubic yard and Stone per Cubic yard both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
stones per cubic yard = pounds per cubic yard × 0.0714285714286
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic yard equals 0.593276421258 base units, and 1 stone per cubic yard equals 8.30586989761 base units, so dividing one by the other gives the direct pound per cubic yard-to-stone per cubic yard factor of 0.0714285714286.
Simple example
1 lb/yd3 × 0.07142857143 = 0.0714285714 st/yd3
1 pound per cubic yard = 0.0714285714 stones per cubic yard.
Real-world example
1,000 lb/yd3 × 0.07142857143 = 71.42857143 st/yd3
1,000 pounds per cubic yard = 71.42857143 stones per cubic yard.
Conversion table
| Pound per Cubic yard (lb/yd3) | Stone per Cubic yard (st/yd3) |
|---|---|
| 0.1 lb/yd3 | 0.0071428571 st/yd3 |
| 1 lb/yd3 | 0.0714285714 st/yd3 |
| 10 lb/yd3 | 0.7142857143 st/yd3 |
| 100 lb/yd3 | 7.142857143 st/yd3 |
| 1,000 lb/yd3 | 71.42857143 st/yd3 |
| 10,000 lb/yd3 | 714.2857143 st/yd3 |
Reverse conversion: Stone per Cubic yard to Pound per Cubic yard
0.0714285714 st/yd3 × 14 = 0.9999999996 lb/yd3
0.0714285714 stones per cubic yard = 0.9999999996 pounds per cubic yard.
pounds per cubic yard = stones per cubic yard × 14
For a page dedicated to this direction, see Stone per Cubic yard to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
Mass per volume density.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic yard are in 1 pound per cubic yard?
1 pound per cubic yard equals 0.0714285714 stones per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to stone per cubic yard?
Multiply the pound per cubic yard value by 0.07142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic yard back to pound per cubic yard?
Use the reverse factor: 1 stone per cubic yard equals 14 pounds per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic yard?
Pound per Cubic yard (lb/yd3) is a unit of density.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
Is the pound per cubic yard to stone per cubic yard conversion exact?
Yes. Both pound per cubic yard and stone per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.07142857143 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.