Mass per volume density.
Drams per Cubic Millimeter to Stones per Teaspoon Converter — dr/mm3 to st/tsp
Convert Dram per Cubic Millimeter (dr/mm3) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 dram per cubic millimeter = 1.375257141 stone per teaspoon). See the formula, worked examples, and conversion table.
Drams per Cubic Millimeter to Stones per Teaspoon 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 1.7718452e+6 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Cubic Millimeter to Stones per Teaspoon
Dram per Cubic Millimeter and Stone per Teaspoon 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 teaspoon = drams per cubic millimeter × 1.37525714111
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cubic millimeter equals 1771845.19531 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct dram per cubic millimeter-to-stone per teaspoon factor of 1.37525714111.
Simple example
1 dr/mm3 × 1.375257141 = 1.375257141 st/tsp
1 dram per cubic millimeter = 1.375257141 stones per teaspoon.
Real-world example
1,000 dr/mm3 × 1.375257141 = 1,375.257141 st/tsp
1,000 drams per cubic millimeter = 1,375.257141 stones per teaspoon.
Conversion table
| Dram per Cubic Millimeter (dr/mm3) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 dr/mm3 | 0.1375257141 st/tsp |
| 1 dr/mm3 | 1.375257141 st/tsp |
| 10 dr/mm3 | 13.75257141 st/tsp |
| 100 dr/mm3 | 137.5257141 st/tsp |
| 1,000 dr/mm3 | 1,375.257141 st/tsp |
| 10,000 dr/mm3 | 13,752.57141 st/tsp |
Reverse conversion: Stone per Teaspoon to Dram per Cubic Millimeter
1.375257141 st/tsp × 0.7271367442 = 0.9999999999 dr/mm3
1.375257141 stones per teaspoon = 0.9999999999 drams per cubic millimeter.
drams per cubic millimeter = stones per teaspoon × 0.72713674418
For a page dedicated to this direction, see Stone per Teaspoon to Dram per Cubic Millimeter.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per teaspoon are in 1 dram per cubic millimeter?
1 dram per cubic millimeter equals 1.375257141 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cubic millimeter to stone per teaspoon?
Multiply the dram per cubic millimeter value by 1.375257141. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to dram per cubic millimeter?
Use the reverse factor: 1 stone per teaspoon equals 0.7271367442 drams per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the dram per cubic millimeter to stone per teaspoon conversion exact?
Yes. Both dram per cubic millimeter and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1.375257141 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.