Mass per volume density.
Stones per Cup to Ounce per Cubic inches Converter — st/cup to oz/in3
Convert Stone per Cup (st/cup) to Ounce per Cubic inch (oz/in3) using the exact conversion factor (1 stone per cup = 15.51515152 ounce per cubic inch). See the formula, worked examples, and conversion table.
Stones per Cup to Ounce per Cubic inches 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 26841.11972 / 1729.994044.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Ounce per Cubic inches
Stone per Cup and Ounce per Cubic inch 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
ounce per cubic inches = stones per cup × 15.5151515152
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 ounce per cubic inch equals 1729.99404439 base units, so dividing one by the other gives the direct stone per cup-to-ounce per cubic inch factor of 15.5151515152.
Simple example
1 st/cup × 15.51515152 = 15.51515152 oz/in3
1 stone per cup = 15.51515152 ounce per cubic inches.
Real-world example
1,000 st/cup × 15.51515152 = 15,515.15152 oz/in3
1,000 stones per cup = 15,515.15152 ounce per cubic inches.
Conversion table
| Stone per Cup (st/cup) | Ounce per Cubic inch (oz/in3) |
|---|---|
| 0.1 st/cup | 1.551515152 oz/in3 |
| 1 st/cup | 15.51515152 oz/in3 |
| 10 st/cup | 155.1515152 oz/in3 |
| 100 st/cup | 1,551.515152 oz/in3 |
| 1,000 st/cup | 15,515.15152 oz/in3 |
| 10,000 st/cup | 155,151.5152 oz/in3 |
Reverse conversion: Ounce per Cubic inch to Stone per Cup
15.51515152 oz/in3 × 0.064453125 = 1 st/cup
15.51515152 ounce per cubic inches = 1 stones per cup.
stones per cup = ounce per cubic inches × 0.064453125
For a page dedicated to this direction, see Ounce per Cubic inch to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounce per cubic inches are in 1 stone per cup?
1 stone per cup equals 15.51515152 ounce per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to ounce per cubic inch?
Multiply the stone per cup value by 15.51515152. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cubic inch back to stone per cup?
Use the reverse factor: 1 ounce per cubic inch equals 0.064453125 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
Is the stone per cup to ounce per cubic inch conversion exact?
Yes. Both stone per cup and ounce per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 15.51515152 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.