Mass per volume density.
Drams per Fluid ounce to Stones per Cup Converter — dr/fl oz to st/cup
Convert Dram per Fluid ounce (dr/fl oz) to Stone per Cup (st/cup) using the exact conversion factor (1 dram per fluid ounce = 0.0022321429 stone per cup). See the formula, worked examples, and conversion table.
Drams per Fluid ounce to Stones per Cup 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 59.91321366 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Fluid ounce to Stones per Cup
Dram per Fluid ounce and Stone per Cup 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 cup = drams per fluid ounce × 0.00223214285714
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct dram per fluid ounce-to-stone per cup factor of 0.00223214285714.
Simple example
1 dr/fl oz × 0.002232142857 = 0.0022321429 st/cup
1 dram per fluid ounce = 0.0022321429 stones per cup.
Real-world example
1,000 dr/fl oz × 0.002232142857 = 2.232142857 st/cup
1,000 drams per fluid ounce = 2.232142857 stones per cup.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Stone per Cup (st/cup) |
|---|---|
| 0.1 dr/fl oz | 0.0002232143 st/cup |
| 1 dr/fl oz | 0.0022321429 st/cup |
| 10 dr/fl oz | 0.0223214286 st/cup |
| 100 dr/fl oz | 0.2232142857 st/cup |
| 1,000 dr/fl oz | 2.232142857 st/cup |
| 10,000 dr/fl oz | 22.32142857 st/cup |
Reverse conversion: Stone per Cup to Dram per Fluid ounce
0.0022321429 st/cup × 448 = 1.000000019 dr/fl oz
0.0022321429 stones per cup = 1.000000019 drams per fluid ounce.
drams per fluid ounce = stones per cup × 448
For a page dedicated to this direction, see Stone per Cup to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 dram per fluid ounce?
1 dram per fluid ounce equals 0.0022321429 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to stone per cup?
Multiply the dram per fluid ounce value by 0.002232142857. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to dram per fluid ounce?
Use the reverse factor: 1 stone per cup equals 448 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the dram per fluid ounce to stone per cup conversion exact?
Yes. Both dram per fluid ounce and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.002232142857 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.