Mass per volume density.
Grains per Milliliter to Drams per Cup Converter — gr/mL to dr/cup
Convert Grain per Milliliter (gr/mL) to Dram per Cup (dr/cup) using the exact conversion factor (1 grain per milliliter = 8.652369792 dram per cup). See the formula, worked examples, and conversion table.
Grains per Milliliter 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 64.79891 / 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 Milliliter to Drams per Cup
Grain per Milliliter 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 milliliter × 8.652369792
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per milliliter equals 64.79891 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct grain per milliliter-to-dram per cup factor of 8.652369792.
Simple example
1 gr/mL × 8.652369792 = 8.652369792 dr/cup
1 grain per milliliter = 8.652369792 drams per cup.
Real-world example
1,000 gr/mL × 8.652369792 = 8,652.369792 dr/cup
1,000 grains per milliliter = 8,652.369792 drams per cup.
Conversion table
| Grain per Milliliter (gr/mL) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 gr/mL | 0.8652369792 dr/cup |
| 1 gr/mL | 8.652369792 dr/cup |
| 10 gr/mL | 86.52369792 dr/cup |
| 100 gr/mL | 865.2369792 dr/cup |
| 1,000 gr/mL | 8,652.369792 dr/cup |
| 10,000 gr/mL | 86,523.69792 dr/cup |
Reverse conversion: Dram per Cup to Grain per Milliliter
8.652369792 dr/cup × 0.1155752729 = 1 gr/mL
8.652369792 drams per cup = 1 grain per milliliter.
grains per milliliter = drams per cup × 0.115575272907
For a page dedicated to this direction, see Dram per Cup to Grain per Milliliter.
Understanding the Grain per Milliliter (gr/mL)
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 milliliter?
1 grain per milliliter equals 8.652369792 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert grain per milliliter to dram per cup?
Multiply the grain per milliliter value by 8.652369792. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to grain per milliliter?
Use the reverse factor: 1 dram per cup equals 0.1155752729 grains per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per milliliter?
Grain per Milliliter (gr/mL) 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 milliliter to dram per cup conversion exact?
Yes. Both grain per milliliter and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 8.652369792 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.