Mass per volume density.
Long tons per Cubic yard to Slugs per Cubic foot Converter — long ton/yd3 to slug/ft3
Convert Long ton per Cubic yard (long ton/yd3) to Slug per Cubic foot (slug/ft3) using the exact conversion factor (1 long ton per cubic yard = 2.578567718 slug per cubic foot). See the formula, worked examples, and conversion table.
Long tons per Cubic yard to Slugs per Cubic foot 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 1328.939184 / 515.3788184.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Cubic yard to Slugs per Cubic foot
Long ton per Cubic yard and Slug per Cubic foot 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 cubic foot = long tons per cubic yard × 2.57856771794
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cubic yard equals 1328.93918362 base units, and 1 slug per cubic foot equals 515.378818393 base units, so dividing one by the other gives the direct long ton per cubic yard-to-slug per cubic foot factor of 2.57856771794.
Simple example
1 long ton/yd3 × 2.578567718 = 2.578567718 slug/ft3
1 long ton per cubic yard = 2.578567718 slugs per cubic foot.
Real-world example
1,000 long ton/yd3 × 2.578567718 = 2,578.567718 slug/ft3
1,000 long tons per cubic yard = 2,578.567718 slugs per cubic foot.
Conversion table
| Long ton per Cubic yard (long ton/yd3) | Slug per Cubic foot (slug/ft3) |
|---|---|
| 0.1 long ton/yd3 | 0.2578567718 slug/ft3 |
| 1 long ton/yd3 | 2.578567718 slug/ft3 |
| 10 long ton/yd3 | 25.78567718 slug/ft3 |
| 100 long ton/yd3 | 257.8567718 slug/ft3 |
| 1,000 long ton/yd3 | 2,578.567718 slug/ft3 |
| 10,000 long ton/yd3 | 25,785.67718 slug/ft3 |
Reverse conversion: Slug per Cubic foot to Long ton per Cubic yard
2.578567718 slug/ft3 × 0.3878121924 = 1 long ton/yd3
2.578567718 slugs per cubic foot = 1 long tons per cubic yard.
long tons per cubic yard = slugs per cubic foot × 0.387812192421
For a page dedicated to this direction, see Slug per Cubic foot to Long ton per Cubic yard.
Understanding the Long ton per Cubic yard (long ton/yd3)
Mass per volume density.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic foot are in 1 long ton per cubic yard?
1 long ton per cubic yard equals 2.578567718 slugs per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cubic yard to slug per cubic foot?
Multiply the long ton per cubic yard value by 2.578567718. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic foot back to long ton per cubic yard?
Use the reverse factor: 1 slug per cubic foot equals 0.3878121924 long tons per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cubic yard?
Long ton per Cubic yard (long ton/yd3) is a unit of density.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
Is the long ton per cubic yard to slug per cubic foot conversion exact?
Yes. Both long ton per cubic yard and slug per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 2.578567718 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.