Mass per volume density.
Kilograms per Cup to Slugs per Cubic foot Converter — kg/cup to slug/ft3
Convert Kilogram per Cup (kg/cup) to Slug per Cubic foot (slug/ft3) using the exact conversion factor (1 kilogram per cup = 8.201254469 slug per cubic foot). See the formula, worked examples, and conversion table.
Kilograms per Cup to Slugs per Cubic foot 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 4226.752838 / 515.3788184.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cup to Slugs per Cubic foot
Kilogram per Cup and Slug per Cubic foot 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 foot = kilograms per cup × 8.2012544693
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cup equals 4226.75283773 base units, and 1 slug per cubic foot equals 515.378818393 base units, so dividing one by the other gives the direct kilogram per cup-to-slug per cubic foot factor of 8.2012544693.
Simple example
1 kg/cup × 8.201254469 = 8.201254469 slug/ft3
1 kilogram per cup = 8.201254469 slugs per cubic foot.
Real-world example
1,000 kg/cup × 8.201254469 = 8,201.254469 slug/ft3
1,000 kilograms per cup = 8,201.254469 slugs per cubic foot.
Conversion table
| Kilogram per Cup (kg/cup) | Slug per Cubic foot (slug/ft3) |
|---|---|
| 0.1 kg/cup | 0.8201254469 slug/ft3 |
| 1 kg/cup | 8.201254469 slug/ft3 |
| 10 kg/cup | 82.01254469 slug/ft3 |
| 100 kg/cup | 820.1254469 slug/ft3 |
| 1,000 kg/cup | 8,201.254469 slug/ft3 |
| 10,000 kg/cup | 82,012.54469 slug/ft3 |
Reverse conversion: Slug per Cubic foot to Kilogram per Cup
8.201254469 slug/ft3 × 0.1219325658 = 1 kg/cup
8.201254469 slugs per cubic foot = 1 kilograms per cup.
kilograms per cup = slugs per cubic foot × 0.121932565773
For a page dedicated to this direction, see Slug per Cubic foot to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic foot are in 1 kilogram per cup?
1 kilogram per cup equals 8.201254469 slugs per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to slug per cubic foot?
Multiply the kilogram per cup value by 8.201254469. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic foot back to kilogram per cup?
Use the reverse factor: 1 slug per cubic foot equals 0.1219325658 kilograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
Is the kilogram per cup to slug per cubic foot conversion exact?
Yes. Both kilogram per cup and slug per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 8.201254469 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.