Mass per volume density.
Pounds per Cup to Slugs per Cubic yard Converter — lb/cup to slug/yd3
Convert Pound per Cup (lb/cup) to Slug per Cubic yard (slug/yd3) using the exact conversion factor (1 pound per cup = 100.4407142 slug per cubic yard). See the formula, worked examples, and conversion table.
Pounds per Cup to Slugs per Cubic yard 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 1917.222837 / 19.08810438.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cup to Slugs per Cubic yard
Pound per Cup and Slug per Cubic yard 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 yard = pounds per cup × 100.440714196
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cup equals 1917.22283707 base units, and 1 slug per cubic yard equals 19.0881043849 base units, so dividing one by the other gives the direct pound per cup-to-slug per cubic yard factor of 100.440714196.
Simple example
1 lb/cup × 100.4407142 = 100.4407142 slug/yd3
1 pound per cup = 100.4407142 slugs per cubic yard.
Real-world example
1,000 lb/cup × 100.4407142 = 100,440.7142 slug/yd3
1,000 pounds per cup = 100,440.7142 slugs per cubic yard.
Conversion table
| Pound per Cup (lb/cup) | Slug per Cubic yard (slug/yd3) |
|---|---|
| 0.1 lb/cup | 10.04407142 slug/yd3 |
| 1 lb/cup | 100.4407142 slug/yd3 |
| 10 lb/cup | 1,004.407142 slug/yd3 |
| 100 lb/cup | 10,044.07142 slug/yd3 |
| 1,000 lb/cup | 100,440.7142 slug/yd3 |
| 10,000 lb/cup | 1,004,407.142 slug/yd3 |
Reverse conversion: Slug per Cubic yard to Pound per Cup
100.4407142 slug/yd3 × 0.009956121957 = 1 lb/cup
100.4407142 slugs per cubic yard = 1 pounds per cup.
pounds per cup = slugs per cubic yard × 0.00995612195716
For a page dedicated to this direction, see Slug per Cubic yard to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Slug per Cubic yard (slug/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic yard are in 1 pound per cup?
1 pound per cup equals 100.4407142 slugs per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to slug per cubic yard?
Multiply the pound per cup value by 100.4407142. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic yard back to pound per cup?
Use the reverse factor: 1 slug per cubic yard equals 0.009956122 pounds per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
What is a slug per cubic yard?
Slug per Cubic yard (slug/yd3) is a unit of density.
Is the pound per cup to slug per cubic yard conversion exact?
Yes. Both pound per cup and slug per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 100.4407142 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.