Mass per volume density.
Stones per Cubic foot to Drams per Cup Converter — st/ft3 to dr/cup
Convert Stone per Cubic foot (st/ft3) to Dram per Cup (dr/cup) using the exact conversion factor (1 stone per cubic foot = 29.94444444 dram per cup). See the formula, worked examples, and conversion table.
Stones per Cubic foot to Drams 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 224.2584872 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic foot to Drams per Cup
Stone per Cubic foot and Dram 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
drams per cup = stones per cubic foot × 29.9444444444
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic foot equals 224.258487235 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct stone per cubic foot-to-dram per cup factor of 29.9444444444.
Simple example
1 st/ft3 × 29.94444444 = 29.94444444 dr/cup
1 stone per cubic foot = 29.94444444 drams per cup.
Real-world example
1,000 st/ft3 × 29.94444444 = 29,944.44444 dr/cup
1,000 stones per cubic foot = 29,944.44444 drams per cup.
Conversion table
| Stone per Cubic foot (st/ft3) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 st/ft3 | 2.994444444 dr/cup |
| 1 st/ft3 | 29.94444444 dr/cup |
| 10 st/ft3 | 299.4444444 dr/cup |
| 100 st/ft3 | 2,994.444444 dr/cup |
| 1,000 st/ft3 | 29,944.44444 dr/cup |
| 10,000 st/ft3 | 299,444.4444 dr/cup |
Reverse conversion: Dram per Cup to Stone per Cubic foot
29.94444444 dr/cup × 0.03339517625 = 0.9999999999 st/ft3
29.94444444 drams per cup = 0.9999999999 stones per cubic foot.
stones per cubic foot = drams per cup × 0.0333951762523
For a page dedicated to this direction, see Dram per Cup to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 stone per cubic foot?
1 stone per cubic foot equals 29.94444444 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to dram per cup?
Multiply the stone per cubic foot value by 29.94444444. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to stone per cubic foot?
Use the reverse factor: 1 dram per cup equals 0.0333951763 stones per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the stone per cubic foot to dram per cup conversion exact?
Yes. Both stone per cubic foot and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 29.94444444 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.