Mass per volume density.
Ounces per Teaspoon to Stones per Cubic Millimeter Converter — oz/tsp to st/mm3
Convert Ounce per Teaspoon (oz/tsp) to Stone per Cubic Millimeter (st/mm3) using the exact conversion factor (1 ounce per teaspoon = 9.057328e-7 stone per cubic millimeter). See the formula, worked examples, and conversion table.
Ounces per Teaspoon to Stones per Cubic Millimeter 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 5751.668511 / 6.35029318e+9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Teaspoon to Stones per Cubic Millimeter
Ounce per Teaspoon and Stone per Cubic Millimeter 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 cubic millimeter = ounces per teaspoon × 9.057328e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per teaspoon equals 5751.66851121 base units, and 1 stone per cubic millimeter equals 6350293180 base units, so dividing one by the other gives the direct ounce per teaspoon-to-stone per cubic millimeter factor of 9.057328e-7.
Simple example
1 oz/tsp × 9.057328e-7 = 9.057328e-7 st/mm3
1 ounce per teaspoon = 9.057328e-7 stones per cubic millimeter.
Real-world example
1,000 oz/tsp × 9.057328e-7 = 0.0009057328 st/mm3
1,000 ounces per teaspoon = 0.0009057328 stones per cubic millimeter.
Conversion table
| Ounce per Teaspoon (oz/tsp) | Stone per Cubic Millimeter (st/mm3) |
|---|---|
| 0.1 oz/tsp | 9.057328e-8 st/mm3 |
| 1 oz/tsp | 9.057328e-7 st/mm3 |
| 10 oz/tsp | 0.0000090573 st/mm3 |
| 100 oz/tsp | 0.0000905733 st/mm3 |
| 1,000 oz/tsp | 0.0009057328 st/mm3 |
| 10,000 oz/tsp | 0.0090573275 st/mm3 |
Reverse conversion: Stone per Cubic Millimeter to Ounce per Teaspoon
9.057328e-7 st/mm3 × 1104078.437 = 1.000000054 oz/tsp
9.057328e-7 stones per cubic millimeter = 1.000000054 ounces per teaspoon.
ounces per teaspoon = stones per cubic millimeter × 1104078.437
For a page dedicated to this direction, see Stone per Cubic Millimeter to Ounce per Teaspoon.
Understanding the Ounce per Teaspoon (oz/tsp)
Mass per volume density.
Understanding the Stone per Cubic Millimeter (st/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic millimeter are in 1 ounce per teaspoon?
1 ounce per teaspoon equals 9.057328e-7 stones per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per teaspoon to stone per cubic millimeter?
Multiply the ounce per teaspoon value by 9.057328e-7. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic millimeter back to ounce per teaspoon?
Use the reverse factor: 1 stone per cubic millimeter equals 1,104,078.437 ounces per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per teaspoon?
Ounce per Teaspoon (oz/tsp) is a unit of density.
What is a stone per cubic millimeter?
Stone per Cubic Millimeter (st/mm3) is a unit of density.
Is the ounce per teaspoon to stone per cubic millimeter conversion exact?
Yes. Both ounce per teaspoon and stone per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 9.057328e-7 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.