Mass per volume density.
Stones per Pint to Troy ounces per Milliliter Converter — st/pt to oz t/mL
Convert Stone per Pint (st/pt) to Troy ounce per Milliliter (oz t/mL) using the exact conversion factor (1 stone per pint = 0.4314810189 troy ounce per milliliter). See the formula, worked examples, and conversion table.
Stones per Pint to Troy ounces per Milliliter 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 13420.55986 / 31103.4768.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Pint to Troy ounces per Milliliter
Stone per Pint and Troy ounce per Milliliter 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
troy ounces per milliliter = stones per pint × 0.431481018852
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per pint equals 13420.5598595 base units, and 1 troy ounce per milliliter equals 31103.4768 base units, so dividing one by the other gives the direct stone per pint-to-troy ounce per milliliter factor of 0.431481018852.
Simple example
1 st/pt × 0.4314810189 = 0.4314810189 oz t/mL
1 stone per pint = 0.4314810189 troy ounces per milliliter.
Real-world example
1,000 st/pt × 0.4314810189 = 431.4810189 oz t/mL
1,000 stones per pint = 431.4810189 troy ounces per milliliter.
Conversion table
| Stone per Pint (st/pt) | Troy ounce per Milliliter (oz t/mL) |
|---|---|
| 0.1 st/pt | 0.0431481019 oz t/mL |
| 1 st/pt | 0.4314810189 oz t/mL |
| 10 st/pt | 4.314810189 oz t/mL |
| 100 st/pt | 43.14810189 oz t/mL |
| 1,000 st/pt | 431.4810189 oz t/mL |
| 10,000 st/pt | 4,314.810189 oz t/mL |
Reverse conversion: Troy ounce per Milliliter to Stone per Pint
0.4314810189 oz t/mL × 2.317599051 = 1 st/pt
0.4314810189 troy ounces per milliliter = 1 stones per pint.
stones per pint = troy ounces per milliliter × 2.31759905143
For a page dedicated to this direction, see Troy ounce per Milliliter to Stone per Pint.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Understanding the Troy ounce per Milliliter (oz t/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many troy ounces per milliliter are in 1 stone per pint?
1 stone per pint equals 0.4314810189 troy ounces per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per pint to troy ounce per milliliter?
Multiply the stone per pint value by 0.4314810189. The converter above does this instantly to whatever precision you set.
How do I convert troy ounce per milliliter back to stone per pint?
Use the reverse factor: 1 troy ounce per milliliter equals 2.317599051 stones per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
What is a troy ounce per milliliter?
Troy ounce per Milliliter (oz t/mL) is a unit of density.
Is the stone per pint to troy ounce per milliliter conversion exact?
Yes. Both stone per pint and troy ounce per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.4314810189 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.