Mass per volume density.
Drams per Fluid ounce to Grains per Imperial gallon Converter — dr/fl oz to gr/imp gal
Convert Dram per Fluid ounce (dr/fl oz) to Grain per Imperial gallon (gr/imp gal) using the exact conversion factor (1 dram per fluid ounce = 4,203.324739 grain per imperial gallon). See the formula, worked examples, and conversion table.
Drams per Fluid ounce to Grains per Imperial gallon 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 59.91321366 / 0.01425376752.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Fluid ounce to Grains per Imperial gallon
Dram per Fluid ounce and Grain per Imperial gallon 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 imperial gallon = drams per fluid ounce × 4203.32473927
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 grain per imperial gallon equals 0.0142537675233 base units, so dividing one by the other gives the direct dram per fluid ounce-to-grain per imperial gallon factor of 4203.32473927.
Simple example
1 dr/fl oz × 4203.324739 = 4,203.324739 gr/imp gal
1 dram per fluid ounce = 4,203.324739 grains per imperial gallon.
Real-world example
1,000 dr/fl oz × 4203.324739 = 4,203,324.739 gr/imp gal
1,000 drams per fluid ounce = 4,203,324.739 grains per imperial gallon.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Grain per Imperial gallon (gr/imp gal) |
|---|---|
| 0.1 dr/fl oz | 420.3324739 gr/imp gal |
| 1 dr/fl oz | 4,203.324739 gr/imp gal |
| 10 dr/fl oz | 42,033.24739 gr/imp gal |
| 100 dr/fl oz | 420,332.4739 gr/imp gal |
| 1,000 dr/fl oz | 4,203,324.739 gr/imp gal |
| 10,000 dr/fl oz | 42,033,247.39 gr/imp gal |
Reverse conversion: Grain per Imperial gallon to Dram per Fluid ounce
1 gr/imp gal × 0.0002379069099 = 0.0002379069 dr/fl oz
1 grain per imperial gallon = 0.0002379069 drams per fluid ounce.
drams per fluid ounce = grains per imperial gallon × 0.000237906909894
For a page dedicated to this direction, see Grain per Imperial gallon to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per imperial gallon are in 1 dram per fluid ounce?
1 dram per fluid ounce equals 4,203.324739 grains per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to grain per imperial gallon?
Multiply the dram per fluid ounce value by 4203.324739. The converter above does this instantly to whatever precision you set.
How do I convert grain per imperial gallon back to dram per fluid ounce?
Use the reverse factor: 1 grain per imperial gallon equals 0.0002379069 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
Is the dram per fluid ounce to grain per imperial gallon conversion exact?
Yes. Both dram per fluid ounce and grain per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 4203.324739 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.