Mass per volume density.
Stones per Gallon to Drams per Cup Converter — st/gal to dr/cup
Convert Stone per Gallon (st/gal) to Dram per Cup (dr/cup) using the exact conversion factor (1 stone per gallon = 224 dram per cup). See the formula, worked examples, and conversion table.
Stones per Gallon 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 1677.569982 / 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 Gallon to Drams per Cup
Stone per Gallon 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 gallon × 224
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct stone per gallon-to-dram per cup factor of 224.
Simple example
1 st/gal × 224 = 224 dr/cup
1 stone per gallon = 224 drams per cup.
Real-world example
1,000 st/gal × 224 = 224,000 dr/cup
1,000 stones per gallon = 224,000 drams per cup.
Conversion table
| Stone per Gallon (st/gal) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 st/gal | 22.4 dr/cup |
| 1 st/gal | 224 dr/cup |
| 10 st/gal | 2,240 dr/cup |
| 100 st/gal | 22,400 dr/cup |
| 1,000 st/gal | 224,000 dr/cup |
| 10,000 st/gal | 2,240,000 dr/cup |
Reverse conversion: Dram per Cup to Stone per Gallon
224 dr/cup × 0.004464285714 = 1 st/gal
224 drams per cup = 1 stone per gallon.
stones per gallon = drams per cup × 0.00446428571429
For a page dedicated to this direction, see Dram per Cup to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
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 gallon?
1 stone per gallon equals 224 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to dram per cup?
Multiply the stone per gallon value by 224. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to stone per gallon?
Use the reverse factor: 1 dram per cup equals 0.0044642857 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) 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 gallon to dram per cup conversion exact?
Yes. Both stone per gallon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 224 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.