Mass per volume density.
Stones per Cup to Dram per Cubic inches Converter — st/cup to dr/in3
Convert Stone per Cup (st/cup) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 stone per cup = 248.2424242 dram per cubic inch). See the formula, worked examples, and conversion table.
Stones per Cup to Dram per Cubic inches 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 / 108.1246278.
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 Dram per Cubic inches
Stone per Cup and Dram per Cubic inch 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
dram per cubic inches = stones per cup × 248.242424242
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 inch equals 108.124627774 base units, so dividing one by the other gives the direct stone per cup-to-dram per cubic inch factor of 248.242424242.
Simple example
1 st/cup × 248.2424242 = 248.2424242 dr/in3
1 stone per cup = 248.2424242 dram per cubic inches.
Real-world example
1,000 st/cup × 248.2424242 = 248,242.4242 dr/in3
1,000 stones per cup = 248,242.4242 dram per cubic inches.
Conversion table
| Stone per Cup (st/cup) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 st/cup | 24.82424242 dr/in3 |
| 1 st/cup | 248.2424242 dr/in3 |
| 10 st/cup | 2,482.424242 dr/in3 |
| 100 st/cup | 24,824.24242 dr/in3 |
| 1,000 st/cup | 248,242.4242 dr/in3 |
| 10,000 st/cup | 2,482,424.242 dr/in3 |
Reverse conversion: Dram per Cubic inch to Stone per Cup
248.2424242 dr/in3 × 0.004028320313 = 0.9999999998 st/cup
248.2424242 dram per cubic inches = 0.9999999998 stones per cup.
stones per cup = dram per cubic inches × 0.0040283203125
For a page dedicated to this direction, see Dram per Cubic inch to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 stone per cup?
1 stone per cup equals 248.2424242 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to dram per cubic inch?
Multiply the stone per cup value by 248.2424242. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to stone per cup?
Use the reverse factor: 1 dram per cubic inch equals 0.0040283203 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 inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the stone per cup to dram per cubic inch conversion exact?
Yes. Both stone per cup and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 248.2424242 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.