Mass per volume density.
Slugs per Gallon to Long tons per Quart Converter — slug/gal to long ton/qt
Convert Slug per Gallon (slug/gal) to Long ton per Quart (long ton/qt) using the exact conversion factor (1 slug per gallon = 0.0035908536 long ton per quart). See the formula, worked examples, and conversion table.
Slugs per Gallon to Long tons per Quart 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 3855.301291 / 1.07364479e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Gallon to Long tons per Quart
Slug per Gallon and Long ton per Quart 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 quart = slugs per gallon × 0.00359085363353
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per gallon equals 3855.30129084 base units, and 1 long ton per quart equals 1073644.78876 base units, so dividing one by the other gives the direct slug per gallon-to-long ton per quart factor of 0.00359085363353.
Simple example
1 slug/gal × 0.003590853634 = 0.0035908536 long ton/qt
1 slug per gallon = 0.0035908536 long tons per quart.
Real-world example
1,000 slug/gal × 0.003590853634 = 3.590853634 long ton/qt
1,000 slugs per gallon = 3.590853634 long tons per quart.
Conversion table
| Slug per Gallon (slug/gal) | Long ton per Quart (long ton/qt) |
|---|---|
| 0.1 slug/gal | 0.0003590854 long ton/qt |
| 1 slug/gal | 0.0035908536 long ton/qt |
| 10 slug/gal | 0.0359085363 long ton/qt |
| 100 slug/gal | 0.3590853634 long ton/qt |
| 1,000 slug/gal | 3.590853634 long ton/qt |
| 10,000 slug/gal | 35.90853634 long ton/qt |
Reverse conversion: Long ton per Quart to Slug per Gallon
0.0035908536 long ton/qt × 278.4853135 = 0.9999999907 slug/gal
0.0035908536 long tons per quart = 0.9999999907 slugs per gallon.
slugs per gallon = long tons per quart × 278.485313537
For a page dedicated to this direction, see Long ton per Quart to Slug per Gallon.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Understanding the Long ton per Quart (long ton/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per quart are in 1 slug per gallon?
1 slug per gallon equals 0.0035908536 long tons per quart, using the exact defined conversion factor rather than an estimate.
How do I convert slug per gallon to long ton per quart?
Multiply the slug per gallon value by 0.003590853634. The converter above does this instantly to whatever precision you set.
How do I convert long ton per quart back to slug per gallon?
Use the reverse factor: 1 long ton per quart equals 278.4853135 slugs per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
What is a long ton per quart?
Long ton per Quart (long ton/qt) is a unit of density.
Is the slug per gallon to long ton per quart conversion exact?
Yes. Both slug per gallon and long ton per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.003590853634 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.