Mass per volume density.
Grains per Imperial gallon to Drams per Cup Converter — gr/imp gal to dr/cup
Convert Grain per Imperial gallon (gr/imp gal) to Dram per Cup (dr/cup) using the exact conversion factor (1 grain per imperial gallon = 0.0019032553 dram per cup). See the formula, worked examples, and conversion table.
Grains 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 0.01425376752 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Drams per Cup
Grain 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 = grains per imperial gallon × 0.00190325527915
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct grain per imperial gallon-to-dram per cup factor of 0.00190325527915.
Simple example
1 gr/imp gal × 0.001903255279 = 0.0019032553 dr/cup
1 grain per imperial gallon = 0.0019032553 drams per cup.
Real-world example
1,000 gr/imp gal × 0.001903255279 = 1.903255279 dr/cup
1,000 grains per imperial gallon = 1.903255279 drams per cup.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 gr/imp gal | 0.0001903255 dr/cup |
| 1 gr/imp gal | 0.0019032553 dr/cup |
| 10 gr/imp gal | 0.0190325528 dr/cup |
| 100 gr/imp gal | 0.1903255279 dr/cup |
| 1,000 gr/imp gal | 1.903255279 dr/cup |
| 10,000 gr/imp gal | 19.03255279 dr/cup |
Reverse conversion: Dram per Cup to Grain per Imperial gallon
0.0019032553 dr/cup × 525.4155924 = 1.000000011 gr/imp gal
0.0019032553 drams per cup = 1.000000011 grains per imperial gallon.
grains per imperial gallon = drams per cup × 525.415592408
For a page dedicated to this direction, see Dram per Cup to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/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 grain per imperial gallon?
1 grain per imperial gallon equals 0.0019032553 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to dram per cup?
Multiply the grain per imperial gallon value by 0.001903255279. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to grain per imperial gallon?
Use the reverse factor: 1 dram per cup equals 525.4155924 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/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 grain per imperial gallon to dram per cup conversion exact?
Yes. Both grain per imperial gallon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.001903255279 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.