Mass per volume density.
Stones per Cubic foot to Slugs per Cup Converter — st/ft3 to slug/cup
Convert Stone per Cubic foot (st/ft3) to Slug per Cup (slug/cup) using the exact conversion factor (1 stone per cubic foot = 0.0036355539 slug per cup). See the formula, worked examples, and conversion table.
Stones per Cubic foot 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 224.2584872 / 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 Cubic foot to Slugs per Cup
Stone per Cubic foot 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 cubic foot × 0.00363555385037
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic foot equals 224.258487235 base units, and 1 slug per cup equals 61684.8206534 base units, so dividing one by the other gives the direct stone per cubic foot-to-slug per cup factor of 0.00363555385037.
Simple example
1 st/ft3 × 0.00363555385 = 0.0036355539 slug/cup
1 stone per cubic foot = 0.0036355539 slugs per cup.
Real-world example
1,000 st/ft3 × 0.00363555385 = 3.63555385 slug/cup
1,000 stones per cubic foot = 3.63555385 slugs per cup.
Conversion table
| Stone per Cubic foot (st/ft3) | Slug per Cup (slug/cup) |
|---|---|
| 0.1 st/ft3 | 0.0003635554 slug/cup |
| 1 st/ft3 | 0.0036355539 slug/cup |
| 10 st/ft3 | 0.0363555385 slug/cup |
| 100 st/ft3 | 0.363555385 slug/cup |
| 1,000 st/ft3 | 3.63555385 slug/cup |
| 10,000 st/ft3 | 36.3555385 slug/cup |
Reverse conversion: Slug per Cup to Stone per Cubic foot
0.0036355539 slug/cup × 275.0612537 = 1.000000014 st/ft3
0.0036355539 slugs per cup = 1.000000014 stones per cubic foot.
stones per cubic foot = slugs per cup × 275.061253707
For a page dedicated to this direction, see Slug per Cup to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
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 cubic foot?
1 stone per cubic foot equals 0.0036355539 slugs per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to slug per cup?
Multiply the stone per cubic foot value by 0.00363555385. The converter above does this instantly to whatever precision you set.
How do I convert slug per cup back to stone per cubic foot?
Use the reverse factor: 1 slug per cup equals 275.0612537 stones per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) 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 cubic foot to slug per cup conversion exact?
Yes. Both stone per cubic foot and slug per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.00363555385 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.