Mass per volume density.
Stones per Cubic foot to Slugs per Gallon Converter — st/ft3 to slug/gal
Convert Stone per Cubic foot (st/ft3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 stone per cubic foot = 0.0581688616 slug per gallon). See the formula, worked examples, and conversion table.
Stones per Cubic foot to Slugs per 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 224.2584872 / 3855.301291.
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 Gallon
Stone per Cubic foot and Slug per 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
slugs per gallon = stones per cubic foot × 0.0581688616058
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 gallon equals 3855.30129084 base units, so dividing one by the other gives the direct stone per cubic foot-to-slug per gallon factor of 0.0581688616058.
Simple example
1 st/ft3 × 0.05816886161 = 0.0581688616 slug/gal
1 stone per cubic foot = 0.0581688616 slugs per gallon.
Real-world example
1,000 st/ft3 × 0.05816886161 = 58.16886161 slug/gal
1,000 stones per cubic foot = 58.16886161 slugs per gallon.
Conversion table
| Stone per Cubic foot (st/ft3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 st/ft3 | 0.0058168862 slug/gal |
| 1 st/ft3 | 0.0581688616 slug/gal |
| 10 st/ft3 | 0.5816886161 slug/gal |
| 100 st/ft3 | 5.816886161 slug/gal |
| 1,000 st/ft3 | 58.16886161 slug/gal |
| 10,000 st/ft3 | 581.6886161 slug/gal |
Reverse conversion: Slug per Gallon to Stone per Cubic foot
0.0581688616 slug/gal × 17.19132836 = 0.9999999999 st/ft3
0.0581688616 slugs per gallon = 0.9999999999 stones per cubic foot.
stones per cubic foot = slugs per gallon × 17.1913283567
For a page dedicated to this direction, see Slug per Gallon to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per gallon are in 1 stone per cubic foot?
1 stone per cubic foot equals 0.0581688616 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to slug per gallon?
Multiply the stone per cubic foot value by 0.05816886161. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to stone per cubic foot?
Use the reverse factor: 1 slug per gallon equals 17.19132836 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 gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the stone per cubic foot to slug per gallon conversion exact?
Yes. Both stone per cubic foot and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.05816886161 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.