Mass per volume density.
Ounces per Fluid ounce to Drams per Gallon Converter — oz/fl oz to dr/gal
Convert Ounce per Fluid ounce (oz/fl oz) to Dram per Gallon (dr/gal) using the exact conversion factor (1 ounce per fluid ounce = 2,048 dram per gallon). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Drams per 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 958.6114185 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Fluid ounce to Drams per Gallon
Ounce per Fluid ounce and Dram per 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 gallon = ounces per fluid ounce × 2048
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per fluid ounce equals 958.611418535 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-dram per gallon factor of 2048.
Simple example
1 oz/fl oz × 2048 = 2,048 dr/gal
1 ounce per fluid ounce = 2,048 drams per gallon.
Real-world example
1,000 oz/fl oz × 2048 = 2,048,000 dr/gal
1,000 ounces per fluid ounce = 2,048,000 drams per gallon.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 oz/fl oz | 204.8 dr/gal |
| 1 oz/fl oz | 2,048 dr/gal |
| 10 oz/fl oz | 20,480 dr/gal |
| 100 oz/fl oz | 204,800 dr/gal |
| 1,000 oz/fl oz | 2,048,000 dr/gal |
| 10,000 oz/fl oz | 20,480,000 dr/gal |
Reverse conversion: Dram per Gallon to Ounce per Fluid ounce
1 dr/gal × 0.00048828125 = 0.0004882813 oz/fl oz
1 dram per gallon = 0.0004882813 ounces per fluid ounce.
ounces per fluid ounce = drams per gallon × 0.00048828125
For a page dedicated to this direction, see Dram per Gallon to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per gallon are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 2,048 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to dram per gallon?
Multiply the ounce per fluid ounce value by 2048. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to ounce per fluid ounce?
Use the reverse factor: 1 dram per gallon equals 0.0004882813 ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the ounce per fluid ounce to dram per gallon conversion exact?
Yes. Both ounce per fluid ounce and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 2048 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.