Mass per volume density.
Drams per Imperial gallon to Ounces per Fluid ounce Converter — dr/imp gal to oz/fl oz
Convert Dram per Imperial gallon (dr/imp gal) to Ounce per Fluid ounce (oz/fl oz) using the exact conversion factor (1 dram per imperial gallon = 0.0004065792 ounce per fluid ounce). See the formula, worked examples, and conversion table.
Drams per Imperial gallon to Ounces 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 / 958.6114185.
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 Ounces per Fluid ounce
Dram per Imperial gallon and Ounce 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
ounces per fluid ounce = drams per imperial gallon × 0.000406579191713
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 ounce per fluid ounce equals 958.611418535 base units, so dividing one by the other gives the direct dram per imperial gallon-to-ounce per fluid ounce factor of 0.000406579191713.
Simple example
1 dr/imp gal × 0.0004065791917 = 0.0004065792 oz/fl oz
1 dram per imperial gallon = 0.0004065792 ounces per fluid ounce.
Real-world example
1,000 dr/imp gal × 0.0004065791917 = 0.4065791917 oz/fl oz
1,000 drams per imperial gallon = 0.4065791917 ounces per fluid ounce.
Conversion table
| Dram per Imperial gallon (dr/imp gal) | Ounce per Fluid ounce (oz/fl oz) |
|---|---|
| 0.1 dr/imp gal | 0.0000406579 oz/fl oz |
| 1 dr/imp gal | 0.0004065792 oz/fl oz |
| 10 dr/imp gal | 0.0040657919 oz/fl oz |
| 100 dr/imp gal | 0.0406579192 oz/fl oz |
| 1,000 dr/imp gal | 0.4065791917 oz/fl oz |
| 10,000 dr/imp gal | 4.065791917 oz/fl oz |
Reverse conversion: Ounce per Fluid ounce to Dram per Imperial gallon
0.0004065792 oz/fl oz × 2459.545447 = 1.00000002 dr/imp gal
0.0004065792 ounces per fluid ounce = 1.00000002 drams per imperial gallon.
drams per imperial gallon = ounces per fluid ounce × 2459.54544743
For a page dedicated to this direction, see Ounce per Fluid ounce to Dram per Imperial gallon.
Understanding the Dram per Imperial gallon (dr/imp gal)
Mass per volume density.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per fluid ounce are in 1 dram per imperial gallon?
1 dram per imperial gallon equals 0.0004065792 ounces per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per imperial gallon to ounce per fluid ounce?
Multiply the dram per imperial gallon value by 0.0004065791917. The converter above does this instantly to whatever precision you set.
How do I convert ounce per fluid ounce back to dram per imperial gallon?
Use the reverse factor: 1 ounce per fluid ounce equals 2,459.545447 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 ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of density.
Is the dram per imperial gallon to ounce per fluid ounce conversion exact?
Yes. Both dram per imperial gallon and ounce per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.0004065791917 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.