Mass per volume density.
Pounds per Fluid ounce to Drams per Imperial gallon Converter — lb/fl oz to dr/imp gal
Convert Pound per Fluid ounce (lb/fl oz) to Dram per Imperial gallon (dr/imp gal) using the exact conversion factor (1 pound per fluid ounce = 39,352.72716 dram per imperial gallon). See the formula, worked examples, and conversion table.
Pounds per Fluid ounce to Drams per Imperial gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 15337.7827 / 0.3897514557.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Drams per Imperial gallon
Pound per Fluid ounce 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 = pounds per fluid ounce × 39352.7271589
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 dram per imperial gallon equals 0.389751455715 base units, so dividing one by the other gives the direct pound per fluid ounce-to-dram per imperial gallon factor of 39352.7271589.
Simple example
1 lb/fl oz × 39352.72716 = 39,352.72716 dr/imp gal
1 pound per fluid ounce = 39,352.72716 drams per imperial gallon.
Real-world example
1,000 lb/fl oz × 39352.72716 = 39,352,727.16 dr/imp gal
1,000 pounds per fluid ounce = 39,352,727.16 drams per imperial gallon.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Dram per Imperial gallon (dr/imp gal) |
|---|---|
| 0.1 lb/fl oz | 3,935.272716 dr/imp gal |
| 1 lb/fl oz | 39,352.72716 dr/imp gal |
| 10 lb/fl oz | 393,527.2716 dr/imp gal |
| 100 lb/fl oz | 3,935,272.716 dr/imp gal |
| 1,000 lb/fl oz | 39,352,727.16 dr/imp gal |
| 10,000 lb/fl oz | 393,527,271.6 dr/imp gal |
Reverse conversion: Dram per Imperial gallon to Pound per Fluid ounce
1 dr/imp gal × 0.00002541119948 = 0.0000254112 lb/fl oz
1 dram per imperial gallon = 0.0000254112 pounds per fluid ounce.
pounds per fluid ounce = drams per imperial gallon × 0.0000254111994821
For a page dedicated to this direction, see Dram per Imperial gallon to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
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 pound per fluid ounce?
1 pound per fluid ounce equals 39,352.72716 drams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to dram per imperial gallon?
Multiply the pound per fluid ounce value by 39352.72716. The converter above does this instantly to whatever precision you set.
How do I convert dram per imperial gallon back to pound per fluid ounce?
Use the reverse factor: 1 dram per imperial gallon equals 0.0000254112 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) 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 pound per fluid ounce to dram per imperial gallon conversion exact?
Yes. Both pound per fluid ounce and dram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 39352.72716 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.