Mass per volume density.
Slugs per Cubic foot to Long tons per Gallon Converter — slug/ft3 to long ton/gal
Convert Slug per Cubic foot (slug/ft3) to Long ton per Gallon (long ton/gal) using the exact conversion factor (1 slug per cubic foot = 0.0019201092 long ton per gallon). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Long tons 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 / 268411.1972.
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 Long tons per Gallon
Slug per Cubic foot and Long ton 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
long tons per gallon = slugs per cubic foot × 0.0019201092346
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 long ton per gallon equals 268411.19719 base units, so dividing one by the other gives the direct slug per cubic foot-to-long ton per gallon factor of 0.0019201092346.
Simple example
1 slug/ft3 × 0.001920109235 = 0.0019201092 long ton/gal
1 slug per cubic foot = 0.0019201092 long tons per gallon.
Real-world example
1,000 slug/ft3 × 0.001920109235 = 1.920109235 long ton/gal
1,000 slugs per cubic foot = 1.920109235 long tons per gallon.
Conversion table
| Slug per Cubic foot (slug/ft3) | Long ton per Gallon (long ton/gal) |
|---|---|
| 0.1 slug/ft3 | 0.0001920109 long ton/gal |
| 1 slug/ft3 | 0.0019201092 long ton/gal |
| 10 slug/ft3 | 0.0192010924 long ton/gal |
| 100 slug/ft3 | 0.1920109235 long ton/gal |
| 1,000 slug/ft3 | 1.920109235 long ton/gal |
| 10,000 slug/ft3 | 19.20109235 long ton/gal |
Reverse conversion: Long ton per Gallon to Slug per Cubic foot
0.0019201092 long ton/gal × 520.8037032 = 0.999999982 slug/ft3
0.0019201092 long tons per gallon = 0.999999982 slugs per cubic foot.
slugs per cubic foot = long tons per gallon × 520.803703239
For a page dedicated to this direction, see Long ton per Gallon to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Long ton per Gallon (long ton/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per gallon are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.0019201092 long tons per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to long ton per gallon?
Multiply the slug per cubic foot value by 0.001920109235. The converter above does this instantly to whatever precision you set.
How do I convert long ton per gallon back to slug per cubic foot?
Use the reverse factor: 1 long ton per gallon equals 520.8037032 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 long ton per gallon?
Long ton per Gallon (long ton/gal) is a unit of density.
Is the slug per cubic foot to long ton per gallon conversion exact?
Yes. Both slug per cubic foot and long ton per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.001920109235 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.