Mass per volume density.
Pounds per Imperial gallon to Drams per Liter Converter — lb/imp gal to dr/L
Convert Pound per Imperial gallon (lb/imp gal) to Dram per Liter (dr/L) using the exact conversion factor (1 pound per imperial gallon = 56.31212756 dram per liter). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Drams per Liter 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 99.77637266 / 1.771845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Imperial gallon to Drams per Liter
Pound per Imperial gallon and Dram per Liter 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 liter = pounds per imperial gallon × 56.3121275646
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per imperial gallon equals 99.7763726631 base units, and 1 dram per liter equals 1.77184519531 base units, so dividing one by the other gives the direct pound per imperial gallon-to-dram per liter factor of 56.3121275646.
Simple example
1 lb/imp gal × 56.31212756 = 56.31212756 dr/L
1 pound per imperial gallon = 56.31212756 drams per liter.
Real-world example
1,000 lb/imp gal × 56.31212756 = 56,312.12756 dr/L
1,000 pounds per imperial gallon = 56,312.12756 drams per liter.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Dram per Liter (dr/L) |
|---|---|
| 0.1 lb/imp gal | 5.631212756 dr/L |
| 1 lb/imp gal | 56.31212756 dr/L |
| 10 lb/imp gal | 563.1212756 dr/L |
| 100 lb/imp gal | 5,631.212756 dr/L |
| 1,000 lb/imp gal | 56,312.12756 dr/L |
| 10,000 lb/imp gal | 563,121.2756 dr/L |
Reverse conversion: Dram per Liter to Pound per Imperial gallon
56.31212756 dr/L × 0.01775816406 = 0.9999999999 lb/imp gal
56.31212756 drams per liter = 0.9999999999 pounds per imperial gallon.
pounds per imperial gallon = drams per liter × 0.0177581640625
For a page dedicated to this direction, see Dram per Liter to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per liter are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 56.31212756 drams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to dram per liter?
Multiply the pound per imperial gallon value by 56.31212756. The converter above does this instantly to whatever precision you set.
How do I convert dram per liter back to pound per imperial gallon?
Use the reverse factor: 1 dram per liter equals 0.0177581641 pounds per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
What is a dram per liter?
Dram per Liter (dr/L) is a unit of density.
Is the pound per imperial gallon to dram per liter conversion exact?
Yes. Both pound per imperial gallon and dram per liter are defined by fixed standards rather than physical artifacts, so the factor of 56.31212756 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.