Mass per volume density.
Grains per Imperial gallon to Pounds per Quart Converter — gr/imp gal to lb/qt
Convert Grain per Imperial gallon (gr/imp gal) to Pound per Quart (lb/qt) using the exact conversion factor (1 grain per imperial gallon = 0.0000297384 pound per quart). See the formula, worked examples, and conversion table.
Grains 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 0.01425376752 / 479.3057093.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Pounds per Quart
Grain 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. Both are mass per volume density units.
Formula
pounds per quart = grains per imperial gallon × 0.0000297383637367
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct grain per imperial gallon-to-pound per quart factor of 0.0000297383637367.
Simple example
1 gr/imp gal × 0.00002973836374 = 0.0000297384 lb/qt
1 grain per imperial gallon = 0.0000297384 pounds per quart.
Real-world example
1,000 gr/imp gal × 0.00002973836374 = 0.0297383637 lb/qt
1,000 grains per imperial gallon = 0.0297383637 pounds per quart.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 gr/imp gal | 0.0000029738 lb/qt |
| 1 gr/imp gal | 0.0000297384 lb/qt |
| 10 gr/imp gal | 0.0002973836 lb/qt |
| 100 gr/imp gal | 0.0029738364 lb/qt |
| 1,000 gr/imp gal | 0.0297383637 lb/qt |
| 10,000 gr/imp gal | 0.2973836374 lb/qt |
Reverse conversion: Pound per Quart to Grain per Imperial gallon
0.0000297384 lb/qt × 33626.59791 = 1.000001219 gr/imp gal
0.0000297384 pounds per quart = 1.000001219 grains per imperial gallon.
grains per imperial gallon = pounds per quart × 33626.5979141
For a page dedicated to this direction, see Pound per Quart to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per quart are in 1 grain per imperial gallon?
1 grain per imperial gallon equals 0.0000297384 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to pound per quart?
Multiply the grain per imperial gallon value by 0.00002973836374. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to grain per imperial gallon?
Use the reverse factor: 1 pound per quart equals 33,626.59791 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
Is the grain per imperial gallon to pound per quart conversion exact?
Yes. Both grain per imperial gallon and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.00002973836374 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.