Mass per volume density.
Slugs per Cubic foot to Pounds per Cubic Millimeter Converter — slug/ft3 to lb/mm3
Convert Slug per Cubic foot (slug/ft3) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 slug per cubic foot = 0.0000011362 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Pounds per Cubic Millimeter 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 515.3788184 / 4.5359237e+8.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic foot to Pounds per Cubic Millimeter
Slug per Cubic foot and Pound per Cubic Millimeter 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 cubic millimeter = slugs per cubic foot × 0.00000113621580185
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic foot equals 515.378818393 base units, and 1 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct slug per cubic foot-to-pound per cubic millimeter factor of 0.00000113621580185.
Simple example
1 slug/ft3 × 0.000001136215802 = 0.0000011362 lb/mm3
1 slug per cubic foot = 0.0000011362 pounds per cubic millimeter.
Real-world example
1,000 slug/ft3 × 0.000001136215802 = 0.0011362158 lb/mm3
1,000 slugs per cubic foot = 0.0011362158 pounds per cubic millimeter.
Conversion table
| Slug per Cubic foot (slug/ft3) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 slug/ft3 | 1.136216e-7 lb/mm3 |
| 1 slug/ft3 | 0.0000011362 lb/mm3 |
| 10 slug/ft3 | 0.0000113622 lb/mm3 |
| 100 slug/ft3 | 0.0001136216 lb/mm3 |
| 1,000 slug/ft3 | 0.0011362158 lb/mm3 |
| 10,000 slug/ft3 | 0.011362158 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Slug per Cubic foot
0.0000011362 lb/mm3 × 880114.4979 = 0.9999860926 slug/ft3
0.0000011362 pounds per cubic millimeter = 0.9999860926 slugs per cubic foot.
slugs per cubic foot = pounds per cubic millimeter × 880114.497942
For a page dedicated to this direction, see Pound per Cubic Millimeter to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic millimeter are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.0000011362 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to pound per cubic millimeter?
Multiply the slug per cubic foot value by 0.000001136215802. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to slug per cubic foot?
Use the reverse factor: 1 pound per cubic millimeter equals 880,114.4979 slugs per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
Is the slug per cubic foot to pound per cubic millimeter conversion exact?
Yes. Both slug per cubic foot and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.000001136215802 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.