Mass per volume density.
Ounces per Cubic yard to Stones per Cup Converter — oz/yd3 to st/cup
Convert Ounce per Cubic yard (oz/yd3) to Stone per Cup (st/cup) using the exact conversion factor (1 ounce per cubic yard = 0.0000013815 stone per cup). See the formula, worked examples, and conversion table.
Ounces per Cubic yard to Stones per Cup 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 0.03707977633 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Cubic yard to Stones per Cup
Ounce per Cubic yard and Stone per Cup 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 cup = ounces per cubic yard × 0.00000138145415381
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic yard equals 0.0370797763286 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct ounce per cubic yard-to-stone per cup factor of 0.00000138145415381.
Simple example
1 oz/yd3 × 0.000001381454154 = 0.0000013815 st/cup
1 ounce per cubic yard = 0.0000013815 stones per cup.
Real-world example
1,000 oz/yd3 × 0.000001381454154 = 0.0013814542 st/cup
1,000 ounces per cubic yard = 0.0013814542 stones per cup.
Conversion table
| Ounce per Cubic yard (oz/yd3) | Stone per Cup (st/cup) |
|---|---|
| 0.1 oz/yd3 | 1.381454e-7 st/cup |
| 1 oz/yd3 | 0.0000013815 st/cup |
| 10 oz/yd3 | 0.0000138145 st/cup |
| 100 oz/yd3 | 0.0001381454 st/cup |
| 1,000 oz/yd3 | 0.0013814542 st/cup |
| 10,000 oz/yd3 | 0.0138145415 st/cup |
Reverse conversion: Stone per Cup to Ounce per Cubic yard
0.0000013815 st/cup × 723874.9091 = 1.000033187 oz/yd3
0.0000013815 stones per cup = 1.000033187 ounces per cubic yard.
ounces per cubic yard = stones per cup × 723874.909091
For a page dedicated to this direction, see Stone per Cup to Ounce per Cubic yard.
Understanding the Ounce per Cubic yard (oz/yd3)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 ounce per cubic yard?
1 ounce per cubic yard equals 0.0000013815 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic yard to stone per cup?
Multiply the ounce per cubic yard value by 0.000001381454154. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to ounce per cubic yard?
Use the reverse factor: 1 stone per cup equals 723,874.9091 ounces per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic yard?
Ounce per Cubic yard (oz/yd3) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the ounce per cubic yard to stone per cup conversion exact?
Yes. Both ounce per cubic yard and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000001381454154 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.