Mass per volume density.
Pounds per Cubic Millimeter to Slugs per Cubic Millimeter Converter — lb/mm3 to slug/mm3
Convert Pound per Cubic Millimeter (lb/mm3) to Slug per Cubic Millimeter (slug/mm3) using the exact conversion factor (1 pound per cubic millimeter = 0.0310809502 slug per cubic millimeter). See the formula, worked examples, and conversion table.
Pounds per Cubic Millimeter to Slugs 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 4.5359237e+8 / 1.45939029e+10.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Millimeter to Slugs per Cubic Millimeter
Pound per Cubic Millimeter and Slug 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
slugs per cubic millimeter = pounds per cubic millimeter × 0.0310809501716
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic millimeter equals 453592370 base units, and 1 slug per cubic millimeter equals 14593902937.2 base units, so dividing one by the other gives the direct pound per cubic millimeter-to-slug per cubic millimeter factor of 0.0310809501716.
Simple example
1 lb/mm3 × 0.03108095017 = 0.0310809502 slug/mm3
1 pound per cubic millimeter = 0.0310809502 slugs per cubic millimeter.
Real-world example
1,000 lb/mm3 × 0.03108095017 = 31.08095017 slug/mm3
1,000 pounds per cubic millimeter = 31.08095017 slugs per cubic millimeter.
Conversion table
| Pound per Cubic Millimeter (lb/mm3) | Slug per Cubic Millimeter (slug/mm3) |
|---|---|
| 0.1 lb/mm3 | 0.003108095 slug/mm3 |
| 1 lb/mm3 | 0.0310809502 slug/mm3 |
| 10 lb/mm3 | 0.3108095017 slug/mm3 |
| 100 lb/mm3 | 3.108095017 slug/mm3 |
| 1,000 lb/mm3 | 31.08095017 slug/mm3 |
| 10,000 lb/mm3 | 310.8095017 slug/mm3 |
Reverse conversion: Slug per Cubic Millimeter to Pound per Cubic Millimeter
0.0310809502 slug/mm3 × 32.17404856 = 1.000000001 lb/mm3
0.0310809502 slugs per cubic millimeter = 1.000000001 pounds per cubic millimeter.
pounds per cubic millimeter = slugs per cubic millimeter × 32.1740485564
For a page dedicated to this direction, see Slug per Cubic Millimeter to Pound per Cubic Millimeter.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Understanding the Slug per Cubic Millimeter (slug/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic millimeter are in 1 pound per cubic millimeter?
1 pound per cubic millimeter equals 0.0310809502 slugs per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic millimeter to slug per cubic millimeter?
Multiply the pound per cubic millimeter value by 0.03108095017. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic millimeter back to pound per cubic millimeter?
Use the reverse factor: 1 slug per cubic millimeter equals 32.17404856 pounds per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
What is a slug per cubic millimeter?
Slug per Cubic Millimeter (slug/mm3) is a unit of density.
Is the pound per cubic millimeter to slug per cubic millimeter conversion exact?
Yes. Both pound per cubic millimeter and slug per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.03108095017 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.