Mass per volume density.
Drams per Imperial gallon to Grains per Fluid ounce Converter — dr/imp gal to gr/fl oz
Convert Dram per Imperial gallon (dr/imp gal) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 dram per imperial gallon = 0.1778783964 grain per fluid ounce). See the formula, worked examples, and conversion table.
Drams per Imperial gallon to Grains per Fluid ounce 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 0.3897514557 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Imperial gallon to Grains per Fluid ounce
Dram per Imperial gallon and Grain per Fluid ounce 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 fluid ounce = drams per imperial gallon × 0.177878396375
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per imperial gallon equals 0.389751455715 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct dram per imperial gallon-to-grain per fluid ounce factor of 0.177878396375.
Simple example
1 dr/imp gal × 0.1778783964 = 0.1778783964 gr/fl oz
1 dram per imperial gallon = 0.1778783964 grains per fluid ounce.
Real-world example
1,000 dr/imp gal × 0.1778783964 = 177.8783964 gr/fl oz
1,000 drams per imperial gallon = 177.8783964 grains per fluid ounce.
Conversion table
| Dram per Imperial gallon (dr/imp gal) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 dr/imp gal | 0.0177878396 gr/fl oz |
| 1 dr/imp gal | 0.1778783964 gr/fl oz |
| 10 dr/imp gal | 1.778783964 gr/fl oz |
| 100 dr/imp gal | 17.78783964 gr/fl oz |
| 1,000 dr/imp gal | 177.8783964 gr/fl oz |
| 10,000 dr/imp gal | 1,778.783964 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Dram per Imperial gallon
0.1778783964 gr/fl oz × 5.621818166 = 1 dr/imp gal
0.1778783964 grains per fluid ounce = 1 drams per imperial gallon.
drams per imperial gallon = grains per fluid ounce × 5.62181816556
For a page dedicated to this direction, see Grain per Fluid ounce to Dram per Imperial gallon.
Understanding the Dram per Imperial gallon (dr/imp gal)
Mass per volume density.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 dram per imperial gallon?
1 dram per imperial gallon equals 0.1778783964 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per imperial gallon to grain per fluid ounce?
Multiply the dram per imperial gallon value by 0.1778783964. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to dram per imperial gallon?
Use the reverse factor: 1 grain per fluid ounce equals 5.621818166 drams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per imperial gallon?
Dram per Imperial gallon (dr/imp gal) is a unit of density.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the dram per imperial gallon to grain per fluid ounce conversion exact?
Yes. Both dram per imperial gallon and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.1778783964 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.