Mass per volume density.
Ounce per Cubic inches to Stones per Pint Converter — oz/in3 to st/pt
Convert Ounce per Cubic inch (oz/in3) to Stone per Pint (st/pt) using the exact conversion factor (1 ounce per cubic inch = 0.12890625 stone per pint). See the formula, worked examples, and conversion table.
Ounce per Cubic inches to Stones per Pint 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 / 13420.55986.
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 Pint
Ounce per Cubic inch and Stone per Pint 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 pint = ounce per cubic inches × 0.12890625
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 pint equals 13420.5598595 base units, so dividing one by the other gives the direct ounce per cubic inch-to-stone per pint factor of 0.12890625.
Simple example
1 oz/in3 × 0.12890625 = 0.12890625 st/pt
1 ounce per cubic inch = 0.12890625 stones per pint.
Real-world example
1,000 oz/in3 × 0.12890625 = 128.90625 st/pt
1,000 ounce per cubic inches = 128.90625 stones per pint.
Conversion table
| Ounce per Cubic inch (oz/in3) | Stone per Pint (st/pt) |
|---|---|
| 0.1 oz/in3 | 0.012890625 st/pt |
| 1 oz/in3 | 0.12890625 st/pt |
| 10 oz/in3 | 1.2890625 st/pt |
| 100 oz/in3 | 12.890625 st/pt |
| 1,000 oz/in3 | 128.90625 st/pt |
| 10,000 oz/in3 | 1,289.0625 st/pt |
Reverse conversion: Stone per Pint to Ounce per Cubic inch
0.12890625 st/pt × 7.757575758 = 1 oz/in3
0.12890625 stones per pint = 1 ounce per cubic inches.
ounce per cubic inches = stones per pint × 7.75757575758
For a page dedicated to this direction, see Stone per Pint to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per pint are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 0.12890625 stones per pint, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to stone per pint?
Multiply the ounce per cubic inch value by 0.12890625. The converter above does this instantly to whatever precision you set.
How do I convert stone per pint back to ounce per cubic inch?
Use the reverse factor: 1 stone per pint equals 7.757575758 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 pint?
Stone per Pint (st/pt) is a unit of density.
Is the ounce per cubic inch to stone per pint conversion exact?
Yes. Both ounce per cubic inch and stone per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.12890625 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.