Mass per volume density.
Slugs per Cubic foot to Slugs per Gallon Converter — slug/ft3 to slug/gal
Convert Slug per Cubic foot (slug/ft3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 slug per cubic foot = 0.1336805556 slug per gallon). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Slugs per Gallon 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 / 3855.301291.
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 Slugs per Gallon
Slug per Cubic foot and Slug per Gallon 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 gallon = slugs per cubic foot × 0.133680555556
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 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct slug per cubic foot-to-slug per gallon factor of 0.133680555556.
Simple example
1 slug/ft3 × 0.1336805556 = 0.1336805556 slug/gal
1 slug per cubic foot = 0.1336805556 slugs per gallon.
Real-world example
1,000 slug/ft3 × 0.1336805556 = 133.6805556 slug/gal
1,000 slugs per cubic foot = 133.6805556 slugs per gallon.
Conversion table
| Slug per Cubic foot (slug/ft3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 slug/ft3 | 0.0133680556 slug/gal |
| 1 slug/ft3 | 0.1336805556 slug/gal |
| 10 slug/ft3 | 1.336805556 slug/gal |
| 100 slug/ft3 | 13.36805556 slug/gal |
| 1,000 slug/ft3 | 133.6805556 slug/gal |
| 10,000 slug/ft3 | 1,336.805556 slug/gal |
Reverse conversion: Slug per Gallon to Slug per Cubic foot
0.1336805556 slug/gal × 7.480519481 = 1 slug/ft3
0.1336805556 slugs per gallon = 1 slugs per cubic foot.
slugs per cubic foot = slugs per gallon × 7.48051948052
For a page dedicated to this direction, see Slug per Gallon to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per gallon are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.1336805556 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to slug per gallon?
Multiply the slug per cubic foot value by 0.1336805556. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to slug per cubic foot?
Use the reverse factor: 1 slug per gallon equals 7.480519481 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 slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the slug per cubic foot to slug per gallon conversion exact?
Yes. Both slug per cubic foot and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.1336805556 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.