Mass per volume density.
Grains per Imperial gallon to Drams per Milliliter Converter — gr/imp gal to dr/mL
Convert Grain per Imperial gallon (gr/imp gal) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 grain per imperial gallon = 0.0000080446 dram per milliliter). See the formula, worked examples, and conversion table.
Grains per Imperial gallon 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 0.01425376752 / 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 Imperial gallon to Drams per Milliliter
Grain per Imperial gallon 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 imperial gallon × 0.00000804458965208
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 milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct grain per imperial gallon-to-dram per milliliter factor of 0.00000804458965208.
Simple example
1 gr/imp gal × 0.000008044589652 = 0.0000080446 dr/mL
1 grain per imperial gallon = 0.0000080446 drams per milliliter.
Real-world example
1,000 gr/imp gal × 0.000008044589652 = 0.0080445897 dr/mL
1,000 grains per imperial gallon = 0.0080445897 drams per milliliter.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 gr/imp gal | 8.04459e-7 dr/mL |
| 1 gr/imp gal | 0.0000080446 dr/mL |
| 10 gr/imp gal | 0.0000804459 dr/mL |
| 100 gr/imp gal | 0.000804459 dr/mL |
| 1,000 gr/imp gal | 0.0080445897 dr/mL |
| 10,000 gr/imp gal | 0.0804458965 dr/mL |
Reverse conversion: Dram per Milliliter to Grain per Imperial gallon
0.0000080446 dr/mL × 124307.1484 = 1.000001286 gr/imp gal
0.0000080446 drams per milliliter = 1.000001286 grains per imperial gallon.
grains per imperial gallon = drams per milliliter × 124307.148438
For a page dedicated to this direction, see Dram per Milliliter to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
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 imperial gallon?
1 grain per imperial gallon equals 0.0000080446 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to dram per milliliter?
Multiply the grain per imperial gallon value by 0.000008044589652. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to grain per imperial gallon?
Use the reverse factor: 1 dram per milliliter equals 124,307.1484 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 milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the grain per imperial gallon to dram per milliliter conversion exact?
Yes. Both grain per imperial gallon and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.000008044589652 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.