Mass per volume density.
Stones per Cubic foot to Slugs per Quart Converter — st/ft3 to slug/qt
Convert Stone per Cubic foot (st/ft3) to Slug per Quart (slug/qt) using the exact conversion factor (1 stone per cubic foot = 0.0145422154 slug per quart). See the formula, worked examples, and conversion table.
Stones per Cubic foot to Slugs 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 / 15421.20516.
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 Slugs per Quart
Stone per Cubic foot and Slug 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
slugs per quart = stones per cubic foot × 0.0145422154015
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 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct stone per cubic foot-to-slug per quart factor of 0.0145422154015.
Simple example
1 st/ft3 × 0.0145422154 = 0.0145422154 slug/qt
1 stone per cubic foot = 0.0145422154 slugs per quart.
Real-world example
1,000 st/ft3 × 0.0145422154 = 14.5422154 slug/qt
1,000 stones per cubic foot = 14.5422154 slugs per quart.
Conversion table
| Stone per Cubic foot (st/ft3) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 st/ft3 | 0.0014542215 slug/qt |
| 1 st/ft3 | 0.0145422154 slug/qt |
| 10 st/ft3 | 0.145422154 slug/qt |
| 100 st/ft3 | 1.45422154 slug/qt |
| 1,000 st/ft3 | 14.5422154 slug/qt |
| 10,000 st/ft3 | 145.422154 slug/qt |
Reverse conversion: Slug per Quart to Stone per Cubic foot
0.0145422154 slug/qt × 68.76531343 = 0.9999999999 st/ft3
0.0145422154 slugs per quart = 0.9999999999 stones per cubic foot.
stones per cubic foot = slugs per quart × 68.7653134267
For a page dedicated to this direction, see Slug per Quart to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per quart are in 1 stone per cubic foot?
1 stone per cubic foot equals 0.0145422154 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to slug per quart?
Multiply the stone per cubic foot value by 0.0145422154. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to stone per cubic foot?
Use the reverse factor: 1 slug per quart equals 68.76531343 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 slug per quart?
Slug per Quart (slug/qt) is a unit of density.
Is the stone per cubic foot to slug per quart conversion exact?
Yes. Both stone per cubic foot and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.0145422154 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.