Mass per volume density.
Stones per Imperial gallon to Drams per Cup Converter — st/imp gal to dr/cup
Convert Stone per Imperial gallon (st/imp gal) to Dram per Cup (dr/cup) using the exact conversion factor (1 stone per imperial gallon = 186.5190174 dram per cup). See the formula, worked examples, and conversion table.
Stones per Imperial 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 1396.869217 / 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 Imperial gallon to Drams per Cup
Stone per Imperial 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 imperial gallon × 186.519017357
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per imperial gallon equals 1396.86921728 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct stone per imperial gallon-to-dram per cup factor of 186.519017357.
Simple example
1 st/imp gal × 186.5190174 = 186.5190174 dr/cup
1 stone per imperial gallon = 186.5190174 drams per cup.
Real-world example
1,000 st/imp gal × 186.5190174 = 186,519.0174 dr/cup
1,000 stones per imperial gallon = 186,519.0174 drams per cup.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 st/imp gal | 18.65190174 dr/cup |
| 1 st/imp gal | 186.5190174 dr/cup |
| 10 st/imp gal | 1,865.190174 dr/cup |
| 100 st/imp gal | 18,651.90174 dr/cup |
| 1,000 st/imp gal | 186,519.0174 dr/cup |
| 10,000 st/imp gal | 1,865,190.174 dr/cup |
Reverse conversion: Dram per Cup to Stone per Imperial gallon
186.5190174 dr/cup × 0.005361383596 = 1 st/imp gal
186.5190174 drams per cup = 1 stones per imperial gallon.
stones per imperial gallon = drams per cup × 0.005361383596
For a page dedicated to this direction, see Dram per Cup to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp 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 imperial gallon?
1 stone per imperial gallon equals 186.5190174 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to dram per cup?
Multiply the stone per imperial gallon value by 186.5190174. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to stone per imperial gallon?
Use the reverse factor: 1 dram per cup equals 0.0053613836 stones per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp 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 imperial gallon to dram per cup conversion exact?
Yes. Both stone per imperial gallon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 186.5190174 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.