Mass per volume density.
Grains per Imperial gallon to Dram per Cubic inches Converter — gr/imp gal to dr/in3
Convert Grain per Imperial gallon (gr/imp gal) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 grain per imperial gallon = 0.0001318272 dram per cubic inch). See the formula, worked examples, and conversion table.
Grains per Imperial gallon to Dram per Cubic inches 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 / 108.1246278.
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 Dram per Cubic inches
Grain per Imperial gallon and Dram per Cubic inch 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
dram per cubic inches = grains per imperial gallon × 0.000131827205482
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 cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct grain per imperial gallon-to-dram per cubic inch factor of 0.000131827205482.
Simple example
1 gr/imp gal × 0.0001318272055 = 0.0001318272 dr/in3
1 grain per imperial gallon = 0.0001318272 dram per cubic inches.
Real-world example
1,000 gr/imp gal × 0.0001318272055 = 0.1318272055 dr/in3
1,000 grains per imperial gallon = 0.1318272055 dram per cubic inches.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 gr/imp gal | 0.0000131827 dr/in3 |
| 1 gr/imp gal | 0.0001318272 dr/in3 |
| 10 gr/imp gal | 0.0013182721 dr/in3 |
| 100 gr/imp gal | 0.0131827206 dr/in3 |
| 1,000 gr/imp gal | 0.1318272055 dr/in3 |
| 10,000 gr/imp gal | 1.318272055 dr/in3 |
Reverse conversion: Dram per Cubic inch to Grain per Imperial gallon
0.0001318272 dr/in3 × 7585.687615 = 0.9999999584 gr/imp gal
0.0001318272 dram per cubic inches = 0.9999999584 grains per imperial gallon.
grains per imperial gallon = dram per cubic inches × 7585.6876154
For a page dedicated to this direction, see Dram per Cubic inch to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 grain per imperial gallon?
1 grain per imperial gallon equals 0.0001318272 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to dram per cubic inch?
Multiply the grain per imperial gallon value by 0.0001318272055. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to grain per imperial gallon?
Use the reverse factor: 1 dram per cubic inch equals 7,585.687615 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 cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the grain per imperial gallon to dram per cubic inch conversion exact?
Yes. Both grain per imperial gallon and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.0001318272055 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.