Mass per volume density.
Stones per Fluid ounce to Ounce per Cubic inches Converter — st/fl oz to oz/in3
Convert Stone per Fluid ounce (st/fl oz) to Ounce per Cubic inch (oz/in3) using the exact conversion factor (1 stone per fluid ounce = 124.1212121 ounce per cubic inch). See the formula, worked examples, and conversion table.
Stones per Fluid ounce 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 214728.9578 / 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 Fluid ounce to Ounce per Cubic inches
Stone per Fluid ounce 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 fluid ounce × 124.121212121
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per fluid ounce equals 214728.957752 base units, and 1 ounce per cubic inch equals 1729.99404439 base units, so dividing one by the other gives the direct stone per fluid ounce-to-ounce per cubic inch factor of 124.121212121.
Simple example
1 st/fl oz × 124.1212121 = 124.1212121 oz/in3
1 stone per fluid ounce = 124.1212121 ounce per cubic inches.
Real-world example
1,000 st/fl oz × 124.1212121 = 124,121.2121 oz/in3
1,000 stones per fluid ounce = 124,121.2121 ounce per cubic inches.
Conversion table
| Stone per Fluid ounce (st/fl oz) | Ounce per Cubic inch (oz/in3) |
|---|---|
| 0.1 st/fl oz | 12.41212121 oz/in3 |
| 1 st/fl oz | 124.1212121 oz/in3 |
| 10 st/fl oz | 1,241.212121 oz/in3 |
| 100 st/fl oz | 12,412.12121 oz/in3 |
| 1,000 st/fl oz | 124,121.2121 oz/in3 |
| 10,000 st/fl oz | 1,241,212.121 oz/in3 |
Reverse conversion: Ounce per Cubic inch to Stone per Fluid ounce
124.1212121 oz/in3 × 0.008056640625 = 0.9999999998 st/fl oz
124.1212121 ounce per cubic inches = 0.9999999998 stones per fluid ounce.
stones per fluid ounce = ounce per cubic inches × 0.008056640625
For a page dedicated to this direction, see Ounce per Cubic inch to Stone per Fluid ounce.
Understanding the Stone per Fluid ounce (st/fl oz)
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 fluid ounce?
1 stone per fluid ounce equals 124.1212121 ounce per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert stone per fluid ounce to ounce per cubic inch?
Multiply the stone per fluid ounce value by 124.1212121. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cubic inch back to stone per fluid ounce?
Use the reverse factor: 1 ounce per cubic inch equals 0.0080566406 stones per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) 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 fluid ounce to ounce per cubic inch conversion exact?
Yes. Both stone per fluid ounce and ounce per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 124.1212121 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.