Mass per volume density.
Drams per Cubic Millimeter to Stones per Fluid ounce Converter — dr/mm3 to st/fl oz
Convert Dram per Cubic Millimeter (dr/mm3) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 dram per cubic millimeter = 8.251542847 stone per fluid ounce). See the formula, worked examples, and conversion table.
Drams per Cubic Millimeter to Stones per Fluid ounce 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 / 214728.9578.
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 Fluid ounce
Dram per Cubic Millimeter and Stone per Fluid ounce 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 fluid ounce = drams per cubic millimeter × 8.25154284668
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 fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct dram per cubic millimeter-to-stone per fluid ounce factor of 8.25154284668.
Simple example
1 dr/mm3 × 8.251542847 = 8.251542847 st/fl oz
1 dram per cubic millimeter = 8.251542847 stones per fluid ounce.
Real-world example
1,000 dr/mm3 × 8.251542847 = 8,251.542847 st/fl oz
1,000 drams per cubic millimeter = 8,251.542847 stones per fluid ounce.
Conversion table
| Dram per Cubic Millimeter (dr/mm3) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 dr/mm3 | 0.8251542847 st/fl oz |
| 1 dr/mm3 | 8.251542847 st/fl oz |
| 10 dr/mm3 | 82.51542847 st/fl oz |
| 100 dr/mm3 | 825.1542847 st/fl oz |
| 1,000 dr/mm3 | 8,251.542847 st/fl oz |
| 10,000 dr/mm3 | 82,515.42847 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Dram per Cubic Millimeter
8.251542847 st/fl oz × 0.1211894574 = 1 dr/mm3
8.251542847 stones per fluid ounce = 1 drams per cubic millimeter.
drams per cubic millimeter = stones per fluid ounce × 0.121189457363
For a page dedicated to this direction, see Stone per Fluid ounce to Dram per Cubic Millimeter.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 dram per cubic millimeter?
1 dram per cubic millimeter equals 8.251542847 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cubic millimeter to stone per fluid ounce?
Multiply the dram per cubic millimeter value by 8.251542847. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to dram per cubic millimeter?
Use the reverse factor: 1 stone per fluid ounce equals 0.1211894574 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 fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the dram per cubic millimeter to stone per fluid ounce conversion exact?
Yes. Both dram per cubic millimeter and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 8.251542847 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.