Mass per volume density.
Hectograms per Quart to Pounds per Imperial gallon Converter — hg/qt to lb/imp gal
Convert Hectogram per Quart (hg/qt) to Pound per Imperial gallon (lb/imp gal) using the exact conversion factor (1 hectogram per quart = 1.059056549 pound per imperial gallon). See the formula, worked examples, and conversion table.
Hectograms per Quart 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 105.6688209 / 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 Quart to Pounds per Imperial gallon
Hectogram per Quart 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 quart × 1.05905654939
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per quart equals 105.668820943 base units, and 1 pound per imperial gallon equals 99.7763726631 base units, so dividing one by the other gives the direct hectogram per quart-to-pound per imperial gallon factor of 1.05905654939.
Simple example
1 hg/qt × 1.059056549 = 1.059056549 lb/imp gal
1 hectogram per quart = 1.059056549 pounds per imperial gallon.
Real-world example
1,000 hg/qt × 1.059056549 = 1,059.056549 lb/imp gal
1,000 hectograms per quart = 1,059.056549 pounds per imperial gallon.
Conversion table
| Hectogram per Quart (hg/qt) | Pound per Imperial gallon (lb/imp gal) |
|---|---|
| 0.1 hg/qt | 0.1059056549 lb/imp gal |
| 1 hg/qt | 1.059056549 lb/imp gal |
| 10 hg/qt | 10.59056549 lb/imp gal |
| 100 hg/qt | 105.9056549 lb/imp gal |
| 1,000 hg/qt | 1,059.056549 lb/imp gal |
| 10,000 hg/qt | 10,590.56549 lb/imp gal |
Reverse conversion: Pound per Imperial gallon to Hectogram per Quart
1.059056549 lb/imp gal × 0.9442366421 = 0.9999999996 hg/qt
1.059056549 pounds per imperial gallon = 0.9999999996 hectograms per quart.
hectograms per quart = pounds per imperial gallon × 0.944236642109
For a page dedicated to this direction, see Pound per Imperial gallon to Hectogram per Quart.
Understanding the Hectogram per Quart (hg/qt)
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 quart?
1 hectogram per quart equals 1.059056549 pounds per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per quart to pound per imperial gallon?
Multiply the hectogram per quart value by 1.059056549. The converter above does this instantly to whatever precision you set.
How do I convert pound per imperial gallon back to hectogram per quart?
Use the reverse factor: 1 pound per imperial gallon equals 0.9442366421 hectograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per quart?
Hectogram per Quart (hg/qt) 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 quart to pound per imperial gallon conversion exact?
Yes. Both hectogram per quart and pound per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 1.059056549 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.