Mass per volume density.
Stones per Cubic foot to Pounds per Quart Converter — st/ft3 to lb/qt
Convert Stone per Cubic foot (st/ft3) to Pound per Quart (lb/qt) using the exact conversion factor (1 stone per cubic foot = 0.4678819444 pound per quart). See the formula, worked examples, and conversion table.
Stones 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 224.2584872 / 479.3057093.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic foot to Pounds per Quart
Stone 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 = stones per cubic foot × 0.467881944444
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic foot equals 224.258487235 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct stone per cubic foot-to-pound per quart factor of 0.467881944444.
Simple example
1 st/ft3 × 0.4678819444 = 0.4678819444 lb/qt
1 stone per cubic foot = 0.4678819444 pounds per quart.
Real-world example
1,000 st/ft3 × 0.4678819444 = 467.8819444 lb/qt
1,000 stones per cubic foot = 467.8819444 pounds per quart.
Conversion table
| Stone per Cubic foot (st/ft3) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 st/ft3 | 0.0467881944 lb/qt |
| 1 st/ft3 | 0.4678819444 lb/qt |
| 10 st/ft3 | 4.678819444 lb/qt |
| 100 st/ft3 | 46.78819444 lb/qt |
| 1,000 st/ft3 | 467.8819444 lb/qt |
| 10,000 st/ft3 | 4,678.819444 lb/qt |
Reverse conversion: Pound per Quart to Stone per Cubic foot
0.4678819444 lb/qt × 2.13729128 = 0.9999999999 st/ft3
0.4678819444 pounds per quart = 0.9999999999 stones per cubic foot.
stones per cubic foot = pounds per quart × 2.13729128015
For a page dedicated to this direction, see Pound per Quart to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/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 stone per cubic foot?
1 stone per cubic foot equals 0.4678819444 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to pound per quart?
Multiply the stone per cubic foot value by 0.4678819444. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to stone per cubic foot?
Use the reverse factor: 1 pound per quart equals 2.13729128 stones per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
Is the stone per cubic foot to pound per quart conversion exact?
Yes. Both stone per cubic foot and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.4678819444 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.