Mass per volume density.
Pounds per Cup to Slugs per Cubic Meter Converter — lb/cup to slug/m3
Convert Pound per Cup (lb/cup) to Slug per Cubic Meter (slug/m3) using the exact conversion factor (1 pound per cup = 131.3714943 slug per cubic meter). See the formula, worked examples, and conversion table.
Pounds per Cup to Slugs per Cubic Meter 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 / 14.59390294.
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 Meter
Pound per Cup and Slug per Cubic Meter 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 meter = pounds per cup × 131.371494337
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 meter equals 14.5939029372 base units, so dividing one by the other gives the direct pound per cup-to-slug per cubic meter factor of 131.371494337.
Simple example
1 lb/cup × 131.3714943 = 131.3714943 slug/m3
1 pound per cup = 131.3714943 slugs per cubic meter.
Real-world example
1,000 lb/cup × 131.3714943 = 131,371.4943 slug/m3
1,000 pounds per cup = 131,371.4943 slugs per cubic meter.
Conversion table
| Pound per Cup (lb/cup) | Slug per Cubic Meter (slug/m3) |
|---|---|
| 0.1 lb/cup | 13.13714943 slug/m3 |
| 1 lb/cup | 131.3714943 slug/m3 |
| 10 lb/cup | 1,313.714943 slug/m3 |
| 100 lb/cup | 13,137.14943 slug/m3 |
| 1,000 lb/cup | 131,371.4943 slug/m3 |
| 10,000 lb/cup | 1,313,714.943 slug/m3 |
Reverse conversion: Slug per Cubic Meter to Pound per Cup
131.3714943 slug/m3 × 0.007612001409 = 0.9999999997 lb/cup
131.3714943 slugs per cubic meter = 0.9999999997 pounds per cup.
pounds per cup = slugs per cubic meter × 0.00761200140903
For a page dedicated to this direction, see Slug per Cubic Meter to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Slug per Cubic Meter (slug/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic meter are in 1 pound per cup?
1 pound per cup equals 131.3714943 slugs per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to slug per cubic meter?
Multiply the pound per cup value by 131.3714943. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic meter back to pound per cup?
Use the reverse factor: 1 slug per cubic meter equals 0.0076120014 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 meter?
Slug per Cubic Meter (slug/m3) is a unit of density.
Is the pound per cup to slug per cubic meter conversion exact?
Yes. Both pound per cup and slug per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 131.3714943 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.