Mass per volume density.
Pounds per Imperial gallon to Pounds per Milliliter Converter — lb/imp gal to lb/mL
Convert Pound per Imperial gallon (lb/imp gal) to Pound per Milliliter (lb/mL) using the exact conversion factor (1 pound per imperial gallon = 0.0002199692 pound per milliliter). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Pounds per Milliliter 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 / 453592.37.
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 Pounds per Milliliter
Pound per Imperial gallon and Pound per Milliliter 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
pounds per milliliter = pounds per imperial gallon × 0.000219969248299
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 pound per milliliter equals 453592.37 base units, so dividing one by the other gives the direct pound per imperial gallon-to-pound per milliliter factor of 0.000219969248299.
Simple example
1 lb/imp gal × 0.0002199692483 = 0.0002199692 lb/mL
1 pound per imperial gallon = 0.0002199692 pounds per milliliter.
Real-world example
1,000 lb/imp gal × 0.0002199692483 = 0.2199692483 lb/mL
1,000 pounds per imperial gallon = 0.2199692483 pounds per milliliter.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Pound per Milliliter (lb/mL) |
|---|---|
| 0.1 lb/imp gal | 0.0000219969 lb/mL |
| 1 lb/imp gal | 0.0002199692 lb/mL |
| 10 lb/imp gal | 0.0021996925 lb/mL |
| 100 lb/imp gal | 0.0219969248 lb/mL |
| 1,000 lb/imp gal | 0.2199692483 lb/mL |
| 10,000 lb/imp gal | 2.199692483 lb/mL |
Reverse conversion: Pound per Milliliter to Pound per Imperial gallon
0.0002199692 lb/mL × 4546.09 = 0.9999997804 lb/imp gal
0.0002199692 pounds per milliliter = 0.9999997804 pounds per imperial gallon.
pounds per imperial gallon = pounds per milliliter × 4546.09
For a page dedicated to this direction, see Pound per Milliliter to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Pound per Milliliter (lb/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per milliliter are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 0.0002199692 pounds per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to pound per milliliter?
Multiply the pound per imperial gallon value by 0.0002199692483. The converter above does this instantly to whatever precision you set.
How do I convert pound per milliliter back to pound per imperial gallon?
Use the reverse factor: 1 pound per milliliter equals 4,546.09 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 pound per milliliter?
Pound per Milliliter (lb/mL) is a unit of density.
Is the pound per imperial gallon to pound per milliliter conversion exact?
Yes. Both pound per imperial gallon and pound per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0002199692483 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.