Mass per volume density.
Kilograms per Imperial gallon to Pounds per Quart Converter — kg/imp gal to lb/qt
Convert Kilogram per Imperial gallon (kg/imp gal) to Pound per Quart (lb/qt) using the exact conversion factor (1 kilogram per imperial gallon = 0.458933086 pound per quart). See the formula, worked examples, conversion table, and common uses.
Kilograms per Imperial gallon to Pounds per Quart 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 219.9692483 / 479.3057093.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Imperial gallon to Pounds per Quart
Kilogram per Imperial gallon and Pound per Quart 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. Kilogram per Imperial gallon is most often used for can be used to express liquid density in uk/commonwealth contexts that reference the imperial gallon — in practice, kilograms per liter is the more commonly seen metric density unit even in these regions.
Formula
pounds per quart = kilograms per imperial gallon × 0.458933086016
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per imperial gallon equals 219.969248299 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct kilogram per imperial gallon-to-pound per quart factor of 0.458933086016.
Simple example
1 kg/imp gal × 0.458933086 = 0.458933086 lb/qt
1 kilogram per imperial gallon = 0.458933086 pounds per quart.
Real-world example
1,000 kg/imp gal × 0.458933086 = 458.933086 lb/qt
1,000 kilograms per imperial gallon = 458.933086 pounds per quart.
Conversion table
| Kilogram per Imperial gallon (kg/imp gal) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 kg/imp gal | 0.0458933086 lb/qt |
| 1 kg/imp gal | 0.458933086 lb/qt |
| 10 kg/imp gal | 4.58933086 lb/qt |
| 100 kg/imp gal | 45.8933086 lb/qt |
| 1,000 kg/imp gal | 458.933086 lb/qt |
| 10,000 kg/imp gal | 4,589.33086 lb/qt |
Reverse conversion: Pound per Quart to Kilogram per Imperial gallon
0.458933086 lb/qt × 2.178966892 = 1 kg/imp gal
0.458933086 pounds per quart = 1 kilograms per imperial gallon.
kilograms per imperial gallon = pounds per quart × 2.17896689184
For a page dedicated to this direction, see Pound per Quart to Kilogram per Imperial gallon.
Understanding the Kilogram per Imperial gallon
Kilogram per Imperial gallon (kg/imp gal) measures density. A mathematically valid way to express liquid density in kilograms per imperial gallon. It is classified as a mixed metric/UK customary density unit.
Uses of the Kilogram per Imperial gallon today
- Can be used to express liquid density in UK/Commonwealth contexts that reference the imperial gallon — in practice, kilograms per liter is the more commonly seen metric density unit even in these regions
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Kilogram per Imperial gallon — sources
- UK/Commonwealth liquid-measurement references — The imperial gallon remains in some UK/Commonwealth commercial use, but liquid density is more commonly quoted in kilograms per liter.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per quart are in 1 kilogram per imperial gallon?
1 kilogram per imperial gallon equals 0.458933086 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per imperial gallon to pound per quart?
Multiply the kilogram per imperial gallon value by 0.458933086. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to kilogram per imperial gallon?
Use the reverse factor: 1 pound per quart equals 2.178966892 kilograms per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per imperial gallon?
Kilogram per Imperial gallon (kg/imp gal) measures density. A mathematically valid way to express liquid density in kilograms per imperial gallon. It is classified as a mixed metric/UK customary density unit.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
Is the kilogram per imperial gallon to pound per quart conversion exact?
Yes. Both kilogram per imperial gallon and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.458933086 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.