Mass per volume density.
Stones per Cup to Slugs per Quart Converter — st/cup to slug/qt
Convert Stone per Cup (st/cup) to Slug per Quart (slug/qt) using the exact conversion factor (1 stone per cup = 1.74053321 slug per quart). See the formula, worked examples, and conversion table.
Stones per Cup to Slugs per Quart converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 26841.11972 / 15421.20516.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Slugs per Quart
Stone per Cup and Slug per Quart 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 quart = stones per cup × 1.74053320961
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct stone per cup-to-slug per quart factor of 1.74053320961.
Simple example
1 st/cup × 1.74053321 = 1.74053321 slug/qt
1 stone per cup = 1.74053321 slugs per quart.
Real-world example
1,000 st/cup × 1.74053321 = 1,740.53321 slug/qt
1,000 stones per cup = 1,740.53321 slugs per quart.
Conversion table
| Stone per Cup (st/cup) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 st/cup | 0.174053321 slug/qt |
| 1 st/cup | 1.74053321 slug/qt |
| 10 st/cup | 17.4053321 slug/qt |
| 100 st/cup | 174.053321 slug/qt |
| 1,000 st/cup | 1,740.53321 slug/qt |
| 10,000 st/cup | 17,405.3321 slug/qt |
Reverse conversion: Slug per Quart to Stone per Cup
1.74053321 slug/qt × 0.5745365814 = 1 st/cup
1.74053321 slugs per quart = 1 stones per cup.
stones per cup = slugs per quart × 0.574536581365
For a page dedicated to this direction, see Slug per Quart to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per quart are in 1 stone per cup?
1 stone per cup equals 1.74053321 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to slug per quart?
Multiply the stone per cup value by 1.74053321. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to stone per cup?
Use the reverse factor: 1 slug per quart equals 0.5745365814 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a slug per quart?
Slug per Quart (slug/qt) is a unit of density.
Is the stone per cup to slug per quart conversion exact?
Yes. Both stone per cup and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 1.74053321 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.