Mass per volume density.
Slugs per Cubic foot to Grams per Cup Converter — slug/ft3 to g/cup
Convert Slug per Cubic foot (slug/ft3) to Gram per Cup (g/cup) using the exact conversion factor (1 slug per cubic foot = 121.9325658 gram per cup). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Grams 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 / 4.226752838.
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 Grams per Cup
Slug per Cubic foot and Gram 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
grams per cup = slugs per cubic foot × 121.932565773
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 gram per cup equals 4.22675283773 base units, so dividing one by the other gives the direct slug per cubic foot-to-gram per cup factor of 121.932565773.
Simple example
1 slug/ft3 × 121.9325658 = 121.9325658 g/cup
1 slug per cubic foot = 121.9325658 grams per cup.
Real-world example
1,000 slug/ft3 × 121.9325658 = 121,932.5658 g/cup
1,000 slugs per cubic foot = 121,932.5658 grams per cup.
Conversion table
| Slug per Cubic foot (slug/ft3) | Gram per Cup (g/cup) |
|---|---|
| 0.1 slug/ft3 | 12.19325658 g/cup |
| 1 slug/ft3 | 121.9325658 g/cup |
| 10 slug/ft3 | 1,219.325658 g/cup |
| 100 slug/ft3 | 12,193.25658 g/cup |
| 1,000 slug/ft3 | 121,932.5658 g/cup |
| 10,000 slug/ft3 | 1,219,325.658 g/cup |
Reverse conversion: Gram per Cup to Slug per Cubic foot
121.9325658 g/cup × 0.008201254469 = 1 slug/ft3
121.9325658 grams per cup = 1 slugs per cubic foot.
slugs per cubic foot = grams per cup × 0.0082012544693
For a page dedicated to this direction, see Gram per Cup to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Gram per Cup (g/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per cup are in 1 slug per cubic foot?
1 slug per cubic foot equals 121.9325658 grams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to gram per cup?
Multiply the slug per cubic foot value by 121.9325658. The converter above does this instantly to whatever precision you set.
How do I convert gram per cup back to slug per cubic foot?
Use the reverse factor: 1 gram per cup equals 0.0082012545 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 gram per cup?
Gram per Cup (g/cup) is a unit of density.
Is the slug per cubic foot to gram per cup conversion exact?
Yes. Both slug per cubic foot and gram per cup are defined by fixed standards rather than physical artifacts, so the factor of 121.9325658 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.