Mass per volume density.
Grains per Cubic foot to Pounds per Quart Converter — gr/ft3 to lb/qt
Convert Grain per Cubic foot (gr/ft3) to Pound per Quart (lb/qt) using the exact conversion factor (1 grain per cubic foot = 0.0000047743 pound per quart). See the formula, worked examples, and conversion table.
Grains per Cubic foot 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 0.002288351911 / 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 Cubic foot to Pounds per Quart
Grain per Cubic foot 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 cubic foot × 0.00000477430555556
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic foot equals 0.00228835191057 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct grain per cubic foot-to-pound per quart factor of 0.00000477430555556.
Simple example
1 gr/ft3 × 0.000004774305556 = 0.0000047743 lb/qt
1 grain per cubic foot = 0.0000047743 pounds per quart.
Real-world example
1,000 gr/ft3 × 0.000004774305556 = 0.0047743056 lb/qt
1,000 grains per cubic foot = 0.0047743056 pounds per quart.
Conversion table
| Grain per Cubic foot (gr/ft3) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 gr/ft3 | 4.774306e-7 lb/qt |
| 1 gr/ft3 | 0.0000047743 lb/qt |
| 10 gr/ft3 | 0.0000477431 lb/qt |
| 100 gr/ft3 | 0.0004774306 lb/qt |
| 1,000 gr/ft3 | 0.0047743056 lb/qt |
| 10,000 gr/ft3 | 0.0477430556 lb/qt |
Reverse conversion: Pound per Quart to Grain per Cubic foot
0.0000047743 lb/qt × 209454.5455 = 0.9999988364 gr/ft3
0.0000047743 pounds per quart = 0.9999988364 grains per cubic foot.
grains per cubic foot = pounds per quart × 209454.545455
For a page dedicated to this direction, see Pound per Quart to Grain per Cubic foot.
Understanding the Grain per Cubic foot (gr/ft3)
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 cubic foot?
1 grain per cubic foot equals 0.0000047743 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic foot to pound per quart?
Multiply the grain per cubic foot value by 0.000004774305556. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to grain per cubic foot?
Use the reverse factor: 1 pound per quart equals 209,454.5455 grains per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic foot?
Grain per Cubic foot (gr/ft3) 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 cubic foot to pound per quart conversion exact?
Yes. Both grain per cubic foot and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.000004774305556 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.