Mass per volume density.
Ounces per Cubic foot to Stones per Cup Converter — oz/ft3 to st/cup
Convert Ounce per Cubic foot (oz/ft3) to Stone per Cup (st/cup) using the exact conversion factor (1 ounce per cubic foot = 0.0000372993 stone per cup). See the formula, worked examples, and conversion table.
Ounces per Cubic foot 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 1.001153961 / 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 foot to Stones per Cup
Ounce per Cubic foot 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 foot × 0.0000372992621528
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic foot equals 1.00115396087 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct ounce per cubic foot-to-stone per cup factor of 0.0000372992621528.
Simple example
1 oz/ft3 × 0.00003729926215 = 0.0000372993 st/cup
1 ounce per cubic foot = 0.0000372993 stones per cup.
Real-world example
1,000 oz/ft3 × 0.00003729926215 = 0.0372992622 st/cup
1,000 ounces per cubic foot = 0.0372992622 stones per cup.
Conversion table
| Ounce per Cubic foot (oz/ft3) | Stone per Cup (st/cup) |
|---|---|
| 0.1 oz/ft3 | 0.0000037299 st/cup |
| 1 oz/ft3 | 0.0000372993 st/cup |
| 10 oz/ft3 | 0.0003729926 st/cup |
| 100 oz/ft3 | 0.0037299262 st/cup |
| 1,000 oz/ft3 | 0.0372992622 st/cup |
| 10,000 oz/ft3 | 0.3729926215 st/cup |
Reverse conversion: Stone per Cup to Ounce per Cubic foot
0.0000372993 st/cup × 26810.18182 = 1.000001015 oz/ft3
0.0000372993 stones per cup = 1.000001015 ounces per cubic foot.
ounces per cubic foot = stones per cup × 26810.1818182
For a page dedicated to this direction, see Stone per Cup to Ounce per Cubic foot.
Understanding the Ounce per Cubic foot (oz/ft3)
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 foot?
1 ounce per cubic foot equals 0.0000372993 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic foot to stone per cup?
Multiply the ounce per cubic foot value by 0.00003729926215. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to ounce per cubic foot?
Use the reverse factor: 1 stone per cup equals 26,810.18182 ounces per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic foot?
Ounce per Cubic foot (oz/ft3) 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 foot to stone per cup conversion exact?
Yes. Both ounce per cubic foot and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.00003729926215 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.