Mass per volume density.
Stones per Imperial gallon to Slugs per Cubic yard Converter — st/imp gal to slug/yd3
Convert Stone per Imperial gallon (st/imp gal) to Slug per Cubic yard (slug/yd3) using the exact conversion factor (1 stone per imperial gallon = 73.18009107 slug per cubic yard). See the formula, worked examples, and conversion table.
Stones per Imperial gallon to Slugs per Cubic yard 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 1396.869217 / 19.08810438.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Imperial gallon to Slugs per Cubic yard
Stone per Imperial gallon and Slug per Cubic yard 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 cubic yard = stones per imperial gallon × 73.1800910721
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per imperial gallon equals 1396.86921728 base units, and 1 slug per cubic yard equals 19.0881043849 base units, so dividing one by the other gives the direct stone per imperial gallon-to-slug per cubic yard factor of 73.1800910721.
Simple example
1 st/imp gal × 73.18009107 = 73.18009107 slug/yd3
1 stone per imperial gallon = 73.18009107 slugs per cubic yard.
Real-world example
1,000 st/imp gal × 73.18009107 = 73,180.09107 slug/yd3
1,000 stones per imperial gallon = 73,180.09107 slugs per cubic yard.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Slug per Cubic yard (slug/yd3) |
|---|---|
| 0.1 st/imp gal | 7.318009107 slug/yd3 |
| 1 st/imp gal | 73.18009107 slug/yd3 |
| 10 st/imp gal | 731.8009107 slug/yd3 |
| 100 st/imp gal | 7,318.009107 slug/yd3 |
| 1,000 st/imp gal | 73,180.09107 slug/yd3 |
| 10,000 st/imp gal | 731,800.9107 slug/yd3 |
Reverse conversion: Slug per Cubic yard to Stone per Imperial gallon
73.18009107 slug/yd3 × 0.01366491877 = 1 st/imp gal
73.18009107 slugs per cubic yard = 1 stones per imperial gallon.
stones per imperial gallon = slugs per cubic yard × 0.0136649187689
For a page dedicated to this direction, see Slug per Cubic yard to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Understanding the Slug per Cubic yard (slug/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic yard are in 1 stone per imperial gallon?
1 stone per imperial gallon equals 73.18009107 slugs per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to slug per cubic yard?
Multiply the stone per imperial gallon value by 73.18009107. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic yard back to stone per imperial gallon?
Use the reverse factor: 1 slug per cubic yard equals 0.0136649188 stones per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp gal) is a unit of density.
What is a slug per cubic yard?
Slug per Cubic yard (slug/yd3) is a unit of density.
Is the stone per imperial gallon to slug per cubic yard conversion exact?
Yes. Both stone per imperial gallon and slug per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 73.18009107 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.