Mass per volume density.
Slugs per Quart to Stones per Cup Converter — slug/qt to st/cup
Convert Slug per Quart (slug/qt) to Stone per Cup (st/cup) using the exact conversion factor (1 slug per quart = 0.5745365814 stone per cup). See the formula, worked examples, and conversion table.
Slugs per Quart to Stones 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 15421.20516 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Quart to Stones per Cup
Slug per Quart and Stone 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
stones per cup = slugs per quart × 0.574536581365
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per quart equals 15421.2051633 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct slug per quart-to-stone per cup factor of 0.574536581365.
Simple example
1 slug/qt × 0.5745365814 = 0.5745365814 st/cup
1 slug per quart = 0.5745365814 stones per cup.
Real-world example
1,000 slug/qt × 0.5745365814 = 574.5365814 st/cup
1,000 slugs per quart = 574.5365814 stones per cup.
Conversion table
| Slug per Quart (slug/qt) | Stone per Cup (st/cup) |
|---|---|
| 0.1 slug/qt | 0.0574536581 st/cup |
| 1 slug/qt | 0.5745365814 st/cup |
| 10 slug/qt | 5.745365814 st/cup |
| 100 slug/qt | 57.45365814 st/cup |
| 1,000 slug/qt | 574.5365814 st/cup |
| 10,000 slug/qt | 5,745.365814 st/cup |
Reverse conversion: Stone per Cup to Slug per Quart
0.5745365814 st/cup × 1.74053321 = 1 slug/qt
0.5745365814 stones per cup = 1 slugs per quart.
slugs per quart = stones per cup × 1.74053320961
For a page dedicated to this direction, see Stone per Cup to Slug per Quart.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 slug per quart?
1 slug per quart equals 0.5745365814 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per quart to stone per cup?
Multiply the slug per quart value by 0.5745365814. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to slug per quart?
Use the reverse factor: 1 stone per cup equals 1.74053321 slugs per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per quart?
Slug per Quart (slug/qt) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the slug per quart to stone per cup conversion exact?
Yes. Both slug per quart and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.5745365814 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.