Mass per volume density.
Drams per Liter to Grains per Milliliter Converter — dr/L to gr/mL
Convert Dram per Liter (dr/L) to Grain per Milliliter (gr/mL) using the exact conversion factor (1 dram per liter = 0.02734375 grain per milliliter). See the formula, worked examples, and conversion table.
Drams per Liter to Grains 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 1.771845195 / 64.79891.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Liter to Grains per Milliliter
Dram per Liter and Grain 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
grains per milliliter = drams per liter × 0.02734375
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per liter equals 1.77184519531 base units, and 1 grain per milliliter equals 64.79891 base units, so dividing one by the other gives the direct dram per liter-to-grain per milliliter factor of 0.02734375.
Simple example
1 dr/L × 0.02734375 = 0.02734375 gr/mL
1 dram per liter = 0.02734375 grains per milliliter.
Real-world example
1,000 dr/L × 0.02734375 = 27.34375 gr/mL
1,000 drams per liter = 27.34375 grains per milliliter.
Conversion table
| Dram per Liter (dr/L) | Grain per Milliliter (gr/mL) |
|---|---|
| 0.1 dr/L | 0.002734375 gr/mL |
| 1 dr/L | 0.02734375 gr/mL |
| 10 dr/L | 0.2734375 gr/mL |
| 100 dr/L | 2.734375 gr/mL |
| 1,000 dr/L | 27.34375 gr/mL |
| 10,000 dr/L | 273.4375 gr/mL |
Reverse conversion: Grain per Milliliter to Dram per Liter
0.02734375 gr/mL × 36.57142857 = 1 dr/L
0.02734375 grains per milliliter = 1 drams per liter.
drams per liter = grains per milliliter × 36.5714285714
For a page dedicated to this direction, see Grain per Milliliter to Dram per Liter.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Understanding the Grain per Milliliter (gr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per milliliter are in 1 dram per liter?
1 dram per liter equals 0.02734375 grains per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per liter to grain per milliliter?
Multiply the dram per liter value by 0.02734375. The converter above does this instantly to whatever precision you set.
How do I convert grain per milliliter back to dram per liter?
Use the reverse factor: 1 grain per milliliter equals 36.57142857 drams per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per liter?
Dram per Liter (dr/L) is a unit of density.
What is a grain per milliliter?
Grain per Milliliter (gr/mL) is a unit of density.
Is the dram per liter to grain per milliliter conversion exact?
Yes. Both dram per liter and grain per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.02734375 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.