Mass per volume density.
Long tons per Gallon to Slugs per Gallon Converter — long ton/gal to slug/gal
Convert Long ton per Gallon (long ton/gal) to Slug per Gallon (slug/gal) using the exact conversion factor (1 long ton per gallon = 69.62132838 slug per gallon). See the formula, worked examples, and conversion table.
Long tons per Gallon 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 268411.1972 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Gallon to Slugs per Gallon
Long ton per Gallon 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 = long tons per gallon × 69.6213283843
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per gallon equals 268411.19719 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct long ton per gallon-to-slug per gallon factor of 69.6213283843.
Simple example
1 long ton/gal × 69.62132838 = 69.62132838 slug/gal
1 long ton per gallon = 69.62132838 slugs per gallon.
Real-world example
1,000 long ton/gal × 69.62132838 = 69,621.32838 slug/gal
1,000 long tons per gallon = 69,621.32838 slugs per gallon.
Conversion table
| Long ton per Gallon (long ton/gal) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 long ton/gal | 6.962132838 slug/gal |
| 1 long ton/gal | 69.62132838 slug/gal |
| 10 long ton/gal | 696.2132838 slug/gal |
| 100 long ton/gal | 6,962.132838 slug/gal |
| 1,000 long ton/gal | 69,621.32838 slug/gal |
| 10,000 long ton/gal | 696,213.2838 slug/gal |
Reverse conversion: Slug per Gallon to Long ton per Gallon
69.62132838 slug/gal × 0.01436341453 = 0.9999999999 long ton/gal
69.62132838 slugs per gallon = 0.9999999999 long tons per gallon.
long tons per gallon = slugs per gallon × 0.0143634145341
For a page dedicated to this direction, see Slug per Gallon to Long ton per Gallon.
Understanding the Long ton per Gallon (long ton/gal)
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 long ton per gallon?
1 long ton per gallon equals 69.62132838 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per gallon to slug per gallon?
Multiply the long ton per gallon value by 69.62132838. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to long ton per gallon?
Use the reverse factor: 1 slug per gallon equals 0.0143634145 long tons per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per gallon?
Long ton per Gallon (long ton/gal) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the long ton per gallon to slug per gallon conversion exact?
Yes. Both long ton per gallon and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 69.62132838 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.