Mass per volume density.
Grains per Cup to Drams per Milliliter Converter — gr/cup to dr/mL
Convert Grain per Cup (gr/cup) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 grain per cup = 0.0001545784 dram per milliliter). See the formula, worked examples, and conversion table.
Grains per Cup to Drams per Milliliter 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 0.2738889767 / 1771.845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Drams per Milliliter
Grain per Cup and Dram per Milliliter 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 milliliter = grains per cup × 0.000154578389494
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 dram per milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct grain per cup-to-dram per milliliter factor of 0.000154578389494.
Simple example
1 gr/cup × 0.0001545783895 = 0.0001545784 dr/mL
1 grain per cup = 0.0001545784 drams per milliliter.
Real-world example
1,000 gr/cup × 0.0001545783895 = 0.1545783895 dr/mL
1,000 grains per cup = 0.1545783895 drams per milliliter.
Conversion table
| Grain per Cup (gr/cup) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 gr/cup | 0.0000154578 dr/mL |
| 1 gr/cup | 0.0001545784 dr/mL |
| 10 gr/cup | 0.0015457839 dr/mL |
| 100 gr/cup | 0.015457839 dr/mL |
| 1,000 gr/cup | 0.1545783895 dr/mL |
| 10,000 gr/cup | 1.545783895 dr/mL |
Reverse conversion: Dram per Milliliter to Grain per Cup
0.0001545784 dr/mL × 6469.209592 = 1.000000068 gr/cup
0.0001545784 drams per milliliter = 1.000000068 grains per cup.
grains per cup = drams per milliliter × 6469.2095918
For a page dedicated to this direction, see Dram per Milliliter to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Dram per Milliliter (dr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per milliliter are in 1 grain per cup?
1 grain per cup equals 0.0001545784 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to dram per milliliter?
Multiply the grain per cup value by 0.0001545783895. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to grain per cup?
Use the reverse factor: 1 dram per milliliter equals 6,469.209592 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the grain per cup to dram per milliliter conversion exact?
Yes. Both grain per cup and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0001545783895 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.