Mass per volume density.
Hectograms per Gallon to Pounds per Imperial gallon Converter — hg/gal to lb/imp gal
Convert Hectogram per Gallon (hg/gal) to Pound per Imperial gallon (lb/imp gal) using the exact conversion factor (1 hectogram per gallon = 0.2647641373 pound per imperial gallon). See the formula, worked examples, and conversion table.
Hectograms per Gallon to Pounds 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 26.41720524 / 99.77637266.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectograms per Gallon to Pounds per Imperial gallon
Hectogram per Gallon and Pound 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
pounds per imperial gallon = hectograms per gallon × 0.264764137348
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per gallon equals 26.4172052358 base units, and 1 pound per imperial gallon equals 99.7763726631 base units, so dividing one by the other gives the direct hectogram per gallon-to-pound per imperial gallon factor of 0.264764137348.
Simple example
1 hg/gal × 0.2647641373 = 0.2647641373 lb/imp gal
1 hectogram per gallon = 0.2647641373 pounds per imperial gallon.
Real-world example
1,000 hg/gal × 0.2647641373 = 264.7641373 lb/imp gal
1,000 hectograms per gallon = 264.7641373 pounds per imperial gallon.
Conversion table
| Hectogram per Gallon (hg/gal) | Pound per Imperial gallon (lb/imp gal) |
|---|---|
| 0.1 hg/gal | 0.0264764137 lb/imp gal |
| 1 hg/gal | 0.2647641373 lb/imp gal |
| 10 hg/gal | 2.647641373 lb/imp gal |
| 100 hg/gal | 26.47641373 lb/imp gal |
| 1,000 hg/gal | 264.7641373 lb/imp gal |
| 10,000 hg/gal | 2,647.641373 lb/imp gal |
Reverse conversion: Pound per Imperial gallon to Hectogram per Gallon
0.2647641373 lb/imp gal × 3.776946568 = 0.9999999998 hg/gal
0.2647641373 pounds per imperial gallon = 0.9999999998 hectograms per gallon.
hectograms per gallon = pounds per imperial gallon × 3.77694656844
For a page dedicated to this direction, see Pound per Imperial gallon to Hectogram per Gallon.
Understanding the Hectogram per Gallon (hg/gal)
Mass per volume density.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per imperial gallon are in 1 hectogram per gallon?
1 hectogram per gallon equals 0.2647641373 pounds per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per gallon to pound per imperial gallon?
Multiply the hectogram per gallon value by 0.2647641373. The converter above does this instantly to whatever precision you set.
How do I convert pound per imperial gallon back to hectogram per gallon?
Use the reverse factor: 1 pound per imperial gallon equals 3.776946568 hectograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per gallon?
Hectogram per Gallon (hg/gal) is a unit of density.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
Is the hectogram per gallon to pound per imperial gallon conversion exact?
Yes. Both hectogram per gallon and pound per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.2647641373 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.