Mass per volume density.
Long tons per Gallon to Slugs per Cup Converter — long ton/gal to slug/cup
Convert Long ton per Gallon (long ton/gal) to Slug per Cup (slug/cup) using the exact conversion factor (1 long ton per gallon = 4.351333024 slug per cup). See the formula, worked examples, and conversion table.
Long tons per Gallon to Slugs 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 268411.1972 / 61684.82065.
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 Cup
Long ton per Gallon and Slug 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
slugs per cup = long tons per gallon × 4.35133302402
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 cup equals 61684.8206534 base units, so dividing one by the other gives the direct long ton per gallon-to-slug per cup factor of 4.35133302402.
Simple example
1 long ton/gal × 4.351333024 = 4.351333024 slug/cup
1 long ton per gallon = 4.351333024 slugs per cup.
Real-world example
1,000 long ton/gal × 4.351333024 = 4,351.333024 slug/cup
1,000 long tons per gallon = 4,351.333024 slugs per cup.
Conversion table
| Long ton per Gallon (long ton/gal) | Slug per Cup (slug/cup) |
|---|---|
| 0.1 long ton/gal | 0.4351333024 slug/cup |
| 1 long ton/gal | 4.351333024 slug/cup |
| 10 long ton/gal | 43.51333024 slug/cup |
| 100 long ton/gal | 435.1333024 slug/cup |
| 1,000 long ton/gal | 4,351.333024 slug/cup |
| 10,000 long ton/gal | 43,513.33024 slug/cup |
Reverse conversion: Slug per Cup to Long ton per Gallon
4.351333024 slug/cup × 0.2298146325 = 1 long ton/gal
4.351333024 slugs per cup = 1 long tons per gallon.
long tons per gallon = slugs per cup × 0.229814632546
For a page dedicated to this direction, see Slug per Cup to Long ton per Gallon.
Understanding the Long ton per Gallon (long ton/gal)
Mass per volume density.
Understanding the Slug per Cup (slug/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cup are in 1 long ton per gallon?
1 long ton per gallon equals 4.351333024 slugs per cup, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per gallon to slug per cup?
Multiply the long ton per gallon value by 4.351333024. The converter above does this instantly to whatever precision you set.
How do I convert slug per cup back to long ton per gallon?
Use the reverse factor: 1 slug per cup equals 0.2298146325 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 cup?
Slug per Cup (slug/cup) is a unit of density.
Is the long ton per gallon to slug per cup conversion exact?
Yes. Both long ton per gallon and slug per cup are defined by fixed standards rather than physical artifacts, so the factor of 4.351333024 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.