Mass per volume density.
Pounds per Cubic Millimeter to Slugs per Liter Converter — lb/mm3 to slug/L
Convert Pound per Cubic Millimeter (lb/mm3) to Slug per Liter (slug/L) using the exact conversion factor (1 pound per cubic millimeter = 31,080.95017 slug per liter). See the formula, worked examples, and conversion table.
Pounds per Cubic Millimeter to Slugs per Liter 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 / 14593.90294.
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 Liter
Pound per Cubic Millimeter and Slug per Liter 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 liter = pounds per cubic millimeter × 31080.9501716
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 liter equals 14593.9029372 base units, so dividing one by the other gives the direct pound per cubic millimeter-to-slug per liter factor of 31080.9501716.
Simple example
1 lb/mm3 × 31080.95017 = 31,080.95017 slug/L
1 pound per cubic millimeter = 31,080.95017 slugs per liter.
Real-world example
1,000 lb/mm3 × 31080.95017 = 31,080,950.17 slug/L
1,000 pounds per cubic millimeter = 31,080,950.17 slugs per liter.
Conversion table
| Pound per Cubic Millimeter (lb/mm3) | Slug per Liter (slug/L) |
|---|---|
| 0.1 lb/mm3 | 3,108.095017 slug/L |
| 1 lb/mm3 | 31,080.95017 slug/L |
| 10 lb/mm3 | 310,809.5017 slug/L |
| 100 lb/mm3 | 3,108,095.017 slug/L |
| 1,000 lb/mm3 | 31,080,950.17 slug/L |
| 10,000 lb/mm3 | 310,809,501.7 slug/L |
Reverse conversion: Slug per Liter to Pound per Cubic Millimeter
1 slug/L × 0.00003217404856 = 0.000032174 lb/mm3
1 slug per liter = 0.000032174 pounds per cubic millimeter.
pounds per cubic millimeter = slugs per liter × 0.0000321740485564
For a page dedicated to this direction, see Slug per Liter to Pound per Cubic Millimeter.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Understanding the Slug per Liter (slug/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per liter are in 1 pound per cubic millimeter?
1 pound per cubic millimeter equals 31,080.95017 slugs per liter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic millimeter to slug per liter?
Multiply the pound per cubic millimeter value by 31080.95017. The converter above does this instantly to whatever precision you set.
How do I convert slug per liter back to pound per cubic millimeter?
Use the reverse factor: 1 slug per liter equals 0.000032174 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 liter?
Slug per Liter (slug/L) is a unit of density.
Is the pound per cubic millimeter to slug per liter conversion exact?
Yes. Both pound per cubic millimeter and slug per liter are defined by fixed standards rather than physical artifacts, so the factor of 31080.95017 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.