Mass per volume density.
Grains per Milliliter to Drams per Milliliter Converter — gr/mL to dr/mL
Convert Grain per Milliliter (gr/mL) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 grain per milliliter = 0.0365714286 dram per milliliter). See the formula, worked examples, and conversion table.
Grains per Milliliter 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 64.79891 / 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 Milliliter to Drams per Milliliter
Grain per Milliliter 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 milliliter × 0.0365714285714
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 milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct grain per milliliter-to-dram per milliliter factor of 0.0365714285714.
Simple example
1 gr/mL × 0.03657142857 = 0.0365714286 dr/mL
1 grain per milliliter = 0.0365714286 drams per milliliter.
Real-world example
1,000 gr/mL × 0.03657142857 = 36.57142857 dr/mL
1,000 grains per milliliter = 36.57142857 drams per milliliter.
Conversion table
| Grain per Milliliter (gr/mL) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 gr/mL | 0.0036571429 dr/mL |
| 1 gr/mL | 0.0365714286 dr/mL |
| 10 gr/mL | 0.3657142857 dr/mL |
| 100 gr/mL | 3.657142857 dr/mL |
| 1,000 gr/mL | 36.57142857 dr/mL |
| 10,000 gr/mL | 365.7142857 dr/mL |
Reverse conversion: Dram per Milliliter to Grain per Milliliter
0.0365714286 dr/mL × 27.34375 = 1.000000001 gr/mL
0.0365714286 drams per milliliter = 1.000000001 grains per milliliter.
grains per milliliter = drams per milliliter × 27.34375
For a page dedicated to this direction, see Dram per Milliliter to Grain per Milliliter.
Understanding the Grain per Milliliter (gr/mL)
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 milliliter?
1 grain per milliliter equals 0.0365714286 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per milliliter to dram per milliliter?
Multiply the grain per milliliter value by 0.03657142857. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to grain per milliliter?
Use the reverse factor: 1 dram per milliliter equals 27.34375 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 milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the grain per milliliter to dram per milliliter conversion exact?
Yes. Both grain per milliliter and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.03657142857 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.