Mass per volume density.
Slugs per Cubic foot to Kilograms per Cup Converter — slug/ft3 to kg/cup
Convert Slug per Cubic foot (slug/ft3) to Kilogram per Cup (kg/cup) using the exact conversion factor (1 slug per cubic foot = 0.1219325658 kilogram per cup). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Kilograms 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 515.3788184 / 4226.752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic foot to Kilograms per Cup
Slug per Cubic foot and Kilogram 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
kilograms per cup = slugs per cubic foot × 0.121932565773
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic foot equals 515.378818393 base units, and 1 kilogram per cup equals 4226.75283773 base units, so dividing one by the other gives the direct slug per cubic foot-to-kilogram per cup factor of 0.121932565773.
Simple example
1 slug/ft3 × 0.1219325658 = 0.1219325658 kg/cup
1 slug per cubic foot = 0.1219325658 kilograms per cup.
Real-world example
1,000 slug/ft3 × 0.1219325658 = 121.9325658 kg/cup
1,000 slugs per cubic foot = 121.9325658 kilograms per cup.
Conversion table
| Slug per Cubic foot (slug/ft3) | Kilogram per Cup (kg/cup) |
|---|---|
| 0.1 slug/ft3 | 0.0121932566 kg/cup |
| 1 slug/ft3 | 0.1219325658 kg/cup |
| 10 slug/ft3 | 1.219325658 kg/cup |
| 100 slug/ft3 | 12.19325658 kg/cup |
| 1,000 slug/ft3 | 121.9325658 kg/cup |
| 10,000 slug/ft3 | 1,219.325658 kg/cup |
Reverse conversion: Kilogram per Cup to Slug per Cubic foot
0.1219325658 kg/cup × 8.201254469 = 1 slug/ft3
0.1219325658 kilograms per cup = 1 slugs per cubic foot.
slugs per cubic foot = kilograms per cup × 8.2012544693
For a page dedicated to this direction, see Kilogram per Cup to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cup are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.1219325658 kilograms per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to kilogram per cup?
Multiply the slug per cubic foot value by 0.1219325658. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cup back to slug per cubic foot?
Use the reverse factor: 1 kilogram per cup equals 8.201254469 slugs per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
Is the slug per cubic foot to kilogram per cup conversion exact?
Yes. Both slug per cubic foot and kilogram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.1219325658 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.