Mass per volume density.
Slug per Cubic inches to Pounds per Cup Converter — slug/in3 to lb/cup
Convert Slug per Cubic inch (slug/in3) to Pound per Cup (lb/cup) using the exact conversion factor (1 slug per cubic inch = 464.512826 pound per cup). See the formula, worked examples, and conversion table.
Slug per Cubic inches to Pounds 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 890574.5982 / 1917.222837.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slug per Cubic inches to Pounds per Cup
Slug per Cubic inch and Pound 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
pounds per cup = slug per cubic inches × 464.512826033
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic inch equals 890574.598183 base units, and 1 pound per cup equals 1917.22283707 base units, so dividing one by the other gives the direct slug per cubic inch-to-pound per cup factor of 464.512826033.
Simple example
1 slug/in3 × 464.512826 = 464.512826 lb/cup
1 slug per cubic inch = 464.512826 pounds per cup.
Real-world example
1,000 slug/in3 × 464.512826 = 464,512.826 lb/cup
1,000 slug per cubic inches = 464,512.826 pounds per cup.
Conversion table
| Slug per Cubic inch (slug/in3) | Pound per Cup (lb/cup) |
|---|---|
| 0.1 slug/in3 | 46.4512826 lb/cup |
| 1 slug/in3 | 464.512826 lb/cup |
| 10 slug/in3 | 4,645.12826 lb/cup |
| 100 slug/in3 | 46,451.2826 lb/cup |
| 1,000 slug/in3 | 464,512.826 lb/cup |
| 10,000 slug/in3 | 4,645,128.26 lb/cup |
Reverse conversion: Pound per Cup to Slug per Cubic inch
464.512826 lb/cup × 0.002152793085 = 0.9999999999 slug/in3
464.512826 pounds per cup = 0.9999999999 slug per cubic inches.
slug per cubic inches = pounds per cup × 0.00215279308548
For a page dedicated to this direction, see Pound per Cup to Slug per Cubic inch.
Understanding the Slug per Cubic inch (slug/in3)
Mass per volume density.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cup are in 1 slug per cubic inch?
1 slug per cubic inch equals 464.512826 pounds per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic inch to pound per cup?
Multiply the slug per cubic inch value by 464.512826. The converter above does this instantly to whatever precision you set.
How do I convert pound per cup back to slug per cubic inch?
Use the reverse factor: 1 pound per cup equals 0.0021527931 slug per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic inch?
Slug per Cubic inch (slug/in3) is a unit of density.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
Is the slug per cubic inch to pound per cup conversion exact?
Yes. Both slug per cubic inch and pound per cup are defined by fixed standards rather than physical artifacts, so the factor of 464.512826 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.