Mass per volume density.
Stones per Cup to Drams per Cubic Millimeter Converter — st/cup to dr/mm3
Convert Stone per Cup (st/cup) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 stone per cup = 0.0151486822 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Stones per Cup to Drams 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 26841.11972 / 1.7718452e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Drams per Cubic Millimeter
Stone per Cup and Dram 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
drams per cubic millimeter = stones per cup × 0.0151486821704
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct stone per cup-to-dram per cubic millimeter factor of 0.0151486821704.
Simple example
1 st/cup × 0.01514868217 = 0.0151486822 dr/mm3
1 stone per cup = 0.0151486822 drams per cubic millimeter.
Real-world example
1,000 st/cup × 0.01514868217 = 15.14868217 dr/mm3
1,000 stones per cup = 15.14868217 drams per cubic millimeter.
Conversion table
| Stone per Cup (st/cup) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 st/cup | 0.0015148682 dr/mm3 |
| 1 st/cup | 0.0151486822 dr/mm3 |
| 10 st/cup | 0.1514868217 dr/mm3 |
| 100 st/cup | 1.514868217 dr/mm3 |
| 1,000 st/cup | 15.14868217 dr/mm3 |
| 10,000 st/cup | 151.4868217 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Stone per Cup
0.0151486822 dr/mm3 × 66.01234277 = 1.000000002 st/cup
0.0151486822 drams per cubic millimeter = 1.000000002 stones per cup.
stones per cup = drams per cubic millimeter × 66.0123427734
For a page dedicated to this direction, see Dram per Cubic Millimeter to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cubic millimeter are in 1 stone per cup?
1 stone per cup equals 0.0151486822 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to dram per cubic millimeter?
Multiply the stone per cup value by 0.01514868217. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to stone per cup?
Use the reverse factor: 1 dram per cubic millimeter equals 66.01234277 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
Is the stone per cup to dram per cubic millimeter conversion exact?
Yes. Both stone per cup and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.01514868217 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.