Mass per volume density.
Stones per Cubic yard to Short tons per Cup Converter — st/yd3 to ton/cup
Convert Stone per Cubic yard (st/yd3) to Short ton per Cup (ton/cup) using the exact conversion factor (1 stone per cubic yard = 0.0000021661 short ton per cup). See the formula, worked examples, and conversion table.
Stones per Cubic yard to Short tons 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 8.305869898 / 3.83444567e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic yard to Short tons per Cup
Stone per Cubic yard and Short ton 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
short tons per cup = stones per cubic yard × 0.00000216612011317
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic yard equals 8.30586989761 base units, and 1 short ton per cup equals 3834445.67414 base units, so dividing one by the other gives the direct stone per cubic yard-to-short ton per cup factor of 0.00000216612011317.
Simple example
1 st/yd3 × 0.000002166120113 = 0.0000021661 ton/cup
1 stone per cubic yard = 0.0000021661 short tons per cup.
Real-world example
1,000 st/yd3 × 0.000002166120113 = 0.0021661201 ton/cup
1,000 stones per cubic yard = 0.0021661201 short tons per cup.
Conversion table
| Stone per Cubic yard (st/yd3) | Short ton per Cup (ton/cup) |
|---|---|
| 0.1 st/yd3 | 2.16612e-7 ton/cup |
| 1 st/yd3 | 0.0000021661 ton/cup |
| 10 st/yd3 | 0.0000216612 ton/cup |
| 100 st/yd3 | 0.000216612 ton/cup |
| 1,000 st/yd3 | 0.0021661201 ton/cup |
| 10,000 st/yd3 | 0.0216612011 ton/cup |
Reverse conversion: Short ton per Cup to Stone per Cubic yard
0.0000021661 ton/cup × 461654.9165 = 0.9999907147 st/yd3
0.0000021661 short tons per cup = 0.9999907147 stones per cubic yard.
stones per cubic yard = short tons per cup × 461654.916512
For a page dedicated to this direction, see Short ton per Cup to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Understanding the Short ton per Cup (ton/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many short tons per cup are in 1 stone per cubic yard?
1 stone per cubic yard equals 0.0000021661 short tons per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to short ton per cup?
Multiply the stone per cubic yard value by 0.000002166120113. The converter above does this instantly to whatever precision you set.
How do I convert short ton per cup back to stone per cubic yard?
Use the reverse factor: 1 short ton per cup equals 461,654.9165 stones per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
What is a short ton per cup?
Short ton per Cup (ton/cup) is a unit of density.
Is the stone per cubic yard to short ton per cup conversion exact?
Yes. Both stone per cubic yard and short ton per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000002166120113 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.