Mass per volume density.
Slugs per Cubic foot to Stones per Gallon Converter — slug/ft3 to st/gal
Convert Slug per Cubic foot (slug/ft3) to Stone per Gallon (st/gal) using the exact conversion factor (1 slug per cubic foot = 0.3072174775 stone per gallon). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Stones 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 515.3788184 / 1677.569982.
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 Gallon
Slug per Cubic foot and Stone 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
stones per gallon = slugs per cubic foot × 0.307217477535
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 gallon equals 1677.56998244 base units, so dividing one by the other gives the direct slug per cubic foot-to-stone per gallon factor of 0.307217477535.
Simple example
1 slug/ft3 × 0.3072174775 = 0.3072174775 st/gal
1 slug per cubic foot = 0.3072174775 stones per gallon.
Real-world example
1,000 slug/ft3 × 0.3072174775 = 307.2174775 st/gal
1,000 slugs per cubic foot = 307.2174775 stones per gallon.
Conversion table
| Slug per Cubic foot (slug/ft3) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 slug/ft3 | 0.0307217478 st/gal |
| 1 slug/ft3 | 0.3072174775 st/gal |
| 10 slug/ft3 | 3.072174775 st/gal |
| 100 slug/ft3 | 30.72174775 st/gal |
| 1,000 slug/ft3 | 307.2174775 st/gal |
| 10,000 slug/ft3 | 3,072.174775 st/gal |
Reverse conversion: Stone per Gallon to Slug per Cubic foot
0.3072174775 st/gal × 3.255023145 = 0.9999999999 slug/ft3
0.3072174775 stones per gallon = 0.9999999999 slugs per cubic foot.
slugs per cubic foot = stones per gallon × 3.25502314524
For a page dedicated to this direction, see Stone per Gallon to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.3072174775 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to stone per gallon?
Multiply the slug per cubic foot value by 0.3072174775. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to slug per cubic foot?
Use the reverse factor: 1 stone per gallon equals 3.255023145 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 gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the slug per cubic foot to stone per gallon conversion exact?
Yes. Both slug per cubic foot and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.3072174775 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.