Mass per volume density.
Slugs per Cubic foot to Stones per Imperial gallon Converter — slug/ft3 to st/imp gal
Convert Slug per Cubic foot (slug/ft3) to Stone per Imperial gallon (st/imp gal) using the exact conversion factor (1 slug per cubic foot = 0.3689528068 stone per imperial gallon). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Stones per Imperial 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 515.3788184 / 1396.869217.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic foot to Stones per Imperial gallon
Slug per Cubic foot and Stone per Imperial 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
stones per imperial gallon = slugs per cubic foot × 0.36895280676
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic foot equals 515.378818393 base units, and 1 stone per imperial gallon equals 1396.86921728 base units, so dividing one by the other gives the direct slug per cubic foot-to-stone per imperial gallon factor of 0.36895280676.
Simple example
1 slug/ft3 × 0.3689528068 = 0.3689528068 st/imp gal
1 slug per cubic foot = 0.3689528068 stones per imperial gallon.
Real-world example
1,000 slug/ft3 × 0.3689528068 = 368.9528068 st/imp gal
1,000 slugs per cubic foot = 368.9528068 stones per imperial gallon.
Conversion table
| Slug per Cubic foot (slug/ft3) | Stone per Imperial gallon (st/imp gal) |
|---|---|
| 0.1 slug/ft3 | 0.0368952807 st/imp gal |
| 1 slug/ft3 | 0.3689528068 st/imp gal |
| 10 slug/ft3 | 3.689528068 st/imp gal |
| 100 slug/ft3 | 36.89528068 st/imp gal |
| 1,000 slug/ft3 | 368.9528068 st/imp gal |
| 10,000 slug/ft3 | 3,689.528068 st/imp gal |
Reverse conversion: Stone per Imperial gallon to Slug per Cubic foot
0.3689528068 st/imp gal × 2.710373743 = 1 slug/ft3
0.3689528068 stones per imperial gallon = 1 slugs per cubic foot.
slugs per cubic foot = stones per imperial gallon × 2.71037374341
For a page dedicated to this direction, see Stone per Imperial gallon to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per imperial gallon are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.3689528068 stones per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to stone per imperial gallon?
Multiply the slug per cubic foot value by 0.3689528068. The converter above does this instantly to whatever precision you set.
How do I convert stone per imperial gallon back to slug per cubic foot?
Use the reverse factor: 1 stone per imperial gallon equals 2.710373743 slugs per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp gal) is a unit of density.
Is the slug per cubic foot to stone per imperial gallon conversion exact?
Yes. Both slug per cubic foot and stone per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.3689528068 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.