Mass per volume density.
Stones per Imperial gallon to Slugs per Cup Converter — st/imp gal to slug/cup
Convert Stone per Imperial gallon (st/imp gal) to Slug per Cup (slug/cup) using the exact conversion factor (1 stone per imperial gallon = 0.0226452667 slug per cup). See the formula, worked examples, and conversion table.
Stones per Imperial gallon to Slugs per Cup 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 / 61684.82065.
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 Cup
Stone per Imperial gallon and Slug per Cup 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 cup = stones per imperial gallon × 0.0226452667364
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 cup equals 61684.8206534 base units, so dividing one by the other gives the direct stone per imperial gallon-to-slug per cup factor of 0.0226452667364.
Simple example
1 st/imp gal × 0.02264526674 = 0.0226452667 slug/cup
1 stone per imperial gallon = 0.0226452667 slugs per cup.
Real-world example
1,000 st/imp gal × 0.02264526674 = 22.64526674 slug/cup
1,000 stones per imperial gallon = 22.64526674 slugs per cup.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Slug per Cup (slug/cup) |
|---|---|
| 0.1 st/imp gal | 0.0022645267 slug/cup |
| 1 st/imp gal | 0.0226452667 slug/cup |
| 10 st/imp gal | 0.2264526674 slug/cup |
| 100 st/imp gal | 2.264526674 slug/cup |
| 1,000 st/imp gal | 22.64526674 slug/cup |
| 10,000 st/imp gal | 226.4526674 slug/cup |
Reverse conversion: Slug per Cup to Stone per Imperial gallon
0.0226452667 slug/cup × 44.15933853 = 0.9999999984 st/imp gal
0.0226452667 slugs per cup = 0.9999999984 stones per imperial gallon.
stones per imperial gallon = slugs per cup × 44.1593385337
For a page dedicated to this direction, see Slug per Cup to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Understanding the Slug per Cup (slug/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cup are in 1 stone per imperial gallon?
1 stone per imperial gallon equals 0.0226452667 slugs per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to slug per cup?
Multiply the stone per imperial gallon value by 0.02264526674. The converter above does this instantly to whatever precision you set.
How do I convert slug per cup back to stone per imperial gallon?
Use the reverse factor: 1 slug per cup equals 44.15933853 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 cup?
Slug per Cup (slug/cup) is a unit of density.
Is the stone per imperial gallon to slug per cup conversion exact?
Yes. Both stone per imperial gallon and slug per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.02264526674 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.