Mass per volume density.
Pounds per Quart to Grams per Imperial gallon Converter — lb/qt to g/imp gal
Convert Pound per Quart (lb/qt) to Gram per Imperial gallon (g/imp gal) using the exact conversion factor (1 pound per quart = 2,178.966892 gram per imperial gallon). See the formula, worked examples, and conversion table.
Pounds per Quart to Grams 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 479.3057093 / 0.2199692483.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Quart to Grams per Imperial gallon
Pound per Quart and Gram 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
grams per imperial gallon = pounds per quart × 2178.96689184
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per quart equals 479.305709268 base units, and 1 gram per imperial gallon equals 0.219969248299 base units, so dividing one by the other gives the direct pound per quart-to-gram per imperial gallon factor of 2178.96689184.
Simple example
1 lb/qt × 2178.966892 = 2,178.966892 g/imp gal
1 pound per quart = 2,178.966892 grams per imperial gallon.
Real-world example
1,000 lb/qt × 2178.966892 = 2,178,966.892 g/imp gal
1,000 pounds per quart = 2,178,966.892 grams per imperial gallon.
Conversion table
| Pound per Quart (lb/qt) | Gram per Imperial gallon (g/imp gal) |
|---|---|
| 0.1 lb/qt | 217.8966892 g/imp gal |
| 1 lb/qt | 2,178.966892 g/imp gal |
| 10 lb/qt | 21,789.66892 g/imp gal |
| 100 lb/qt | 217,896.6892 g/imp gal |
| 1,000 lb/qt | 2,178,966.892 g/imp gal |
| 10,000 lb/qt | 21,789,668.92 g/imp gal |
Reverse conversion: Gram per Imperial gallon to Pound per Quart
1 g/imp gal × 0.000458933086 = 0.0004589331 lb/qt
1 gram per imperial gallon = 0.0004589331 pounds per quart.
pounds per quart = grams per imperial gallon × 0.000458933086016
For a page dedicated to this direction, see Gram per Imperial gallon to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Understanding the Gram per Imperial gallon (g/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per imperial gallon are in 1 pound per quart?
1 pound per quart equals 2,178.966892 grams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to gram per imperial gallon?
Multiply the pound per quart value by 2178.966892. The converter above does this instantly to whatever precision you set.
How do I convert gram per imperial gallon back to pound per quart?
Use the reverse factor: 1 gram per imperial gallon equals 0.0004589331 pounds per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
What is a gram per imperial gallon?
Gram per Imperial gallon (g/imp gal) is a unit of density.
Is the pound per quart to gram per imperial gallon conversion exact?
Yes. Both pound per quart and gram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 2178.966892 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.