Mass per volume density.
Ounces per Milliliter to Drams per Imperial gallon Converter — oz/mL to dr/imp gal
Convert Ounce per Milliliter (oz/mL) to Dram per Imperial gallon (dr/imp gal) using the exact conversion factor (1 ounce per milliliter = 72,737.44 dram per imperial gallon). See the formula, worked examples, and conversion table.
Ounces per Milliliter to Drams 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 28349.52313 / 0.3897514557.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Milliliter to Drams per Imperial gallon
Ounce per Milliliter and Dram 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
drams per imperial gallon = ounces per milliliter × 72737.44
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per milliliter equals 28349.523125 base units, and 1 dram per imperial gallon equals 0.389751455715 base units, so dividing one by the other gives the direct ounce per milliliter-to-dram per imperial gallon factor of 72737.44.
Simple example
1 oz/mL × 72737.44 = 72,737.44 dr/imp gal
1 ounce per milliliter = 72,737.44 drams per imperial gallon.
Real-world example
1,000 oz/mL × 72737.44 = 72,737,440 dr/imp gal
1,000 ounces per milliliter = 72,737,440 drams per imperial gallon.
Conversion table
| Ounce per Milliliter (oz/mL) | Dram per Imperial gallon (dr/imp gal) |
|---|---|
| 0.1 oz/mL | 7,273.744 dr/imp gal |
| 1 oz/mL | 72,737.44 dr/imp gal |
| 10 oz/mL | 727,374.4 dr/imp gal |
| 100 oz/mL | 7,273,744 dr/imp gal |
| 1,000 oz/mL | 72,737,440 dr/imp gal |
| 10,000 oz/mL | 727,374,400 dr/imp gal |
Reverse conversion: Dram per Imperial gallon to Ounce per Milliliter
1 dr/imp gal × 0.00001374807802 = 0.0000137481 oz/mL
1 dram per imperial gallon = 0.0000137481 ounces per milliliter.
ounces per milliliter = drams per imperial gallon × 0.0000137480780187
For a page dedicated to this direction, see Dram per Imperial gallon to Ounce per Milliliter.
Understanding the Ounce per Milliliter (oz/mL)
Mass per volume density.
Understanding the Dram per Imperial gallon (dr/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per imperial gallon are in 1 ounce per milliliter?
1 ounce per milliliter equals 72,737.44 drams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per milliliter to dram per imperial gallon?
Multiply the ounce per milliliter value by 72737.44. The converter above does this instantly to whatever precision you set.
How do I convert dram per imperial gallon back to ounce per milliliter?
Use the reverse factor: 1 dram per imperial gallon equals 0.0000137481 ounces per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per milliliter?
Ounce per Milliliter (oz/mL) is a unit of density.
What is a dram per imperial gallon?
Dram per Imperial gallon (dr/imp gal) is a unit of density.
Is the ounce per milliliter to dram per imperial gallon conversion exact?
Yes. Both ounce per milliliter and dram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 72737.44 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.