Mass per volume density.
Ounce per Cubic inches to Stones per Fluid ounce Converter — oz/in3 to st/fl oz
Convert Ounce per Cubic inch (oz/in3) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 ounce per cubic inch = 0.0080566406 stone per fluid ounce). See the formula, worked examples, and conversion table.
Ounce per Cubic inches to Stones per Fluid ounce 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 1729.994044 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce per Cubic inches to Stones per Fluid ounce
Ounce per Cubic inch and Stone per Fluid ounce 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 fluid ounce = ounce per cubic inches × 0.008056640625
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic inch equals 1729.99404439 base units, and 1 stone per fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct ounce per cubic inch-to-stone per fluid ounce factor of 0.008056640625.
Simple example
1 oz/in3 × 0.008056640625 = 0.0080566406 st/fl oz
1 ounce per cubic inch = 0.0080566406 stones per fluid ounce.
Real-world example
1,000 oz/in3 × 0.008056640625 = 8.056640625 st/fl oz
1,000 ounce per cubic inches = 8.056640625 stones per fluid ounce.
Conversion table
| Ounce per Cubic inch (oz/in3) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 oz/in3 | 0.0008056641 st/fl oz |
| 1 oz/in3 | 0.0080566406 st/fl oz |
| 10 oz/in3 | 0.0805664063 st/fl oz |
| 100 oz/in3 | 0.8056640625 st/fl oz |
| 1,000 oz/in3 | 8.056640625 st/fl oz |
| 10,000 oz/in3 | 80.56640625 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Ounce per Cubic inch
0.0080566406 st/fl oz × 124.1212121 = 0.9999999969 oz/in3
0.0080566406 stones per fluid ounce = 0.9999999969 ounce per cubic inches.
ounce per cubic inches = stones per fluid ounce × 124.121212121
For a page dedicated to this direction, see Stone per Fluid ounce to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 0.0080566406 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to stone per fluid ounce?
Multiply the ounce per cubic inch value by 0.008056640625. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to ounce per cubic inch?
Use the reverse factor: 1 stone per fluid ounce equals 124.1212121 ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the ounce per cubic inch to stone per fluid ounce conversion exact?
Yes. Both ounce per cubic inch and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.008056640625 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.