Mass per volume density.
Stones per Gallon to Slugs per Gallon Converter — st/gal to slug/gal
Convert Stone per Gallon (st/gal) to Slug per Gallon (slug/gal) using the exact conversion factor (1 stone per gallon = 0.4351333024 slug per gallon). See the formula, worked examples, and conversion table.
Stones per Gallon 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 1677.569982 / 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 Gallon to Slugs per Gallon
Stone per Gallon 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 gallon × 0.435133302402
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct stone per gallon-to-slug per gallon factor of 0.435133302402.
Simple example
1 st/gal × 0.4351333024 = 0.4351333024 slug/gal
1 stone per gallon = 0.4351333024 slugs per gallon.
Real-world example
1,000 st/gal × 0.4351333024 = 435.1333024 slug/gal
1,000 stones per gallon = 435.1333024 slugs per gallon.
Conversion table
| Stone per Gallon (st/gal) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 st/gal | 0.0435133302 slug/gal |
| 1 st/gal | 0.4351333024 slug/gal |
| 10 st/gal | 4.351333024 slug/gal |
| 100 st/gal | 43.51333024 slug/gal |
| 1,000 st/gal | 435.1333024 slug/gal |
| 10,000 st/gal | 4,351.333024 slug/gal |
Reverse conversion: Slug per Gallon to Stone per Gallon
0.4351333024 slug/gal × 2.298146325 = 1 st/gal
0.4351333024 slugs per gallon = 1 stones per gallon.
stones per gallon = slugs per gallon × 2.29814632546
For a page dedicated to this direction, see Slug per Gallon to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
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 gallon?
1 stone per gallon equals 0.4351333024 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to slug per gallon?
Multiply the stone per gallon value by 0.4351333024. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to stone per gallon?
Use the reverse factor: 1 slug per gallon equals 2.298146325 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) 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 gallon to slug per gallon conversion exact?
Yes. Both stone per gallon and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.4351333024 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.