Mass per volume density.
Pounds per Cubic Millimeter to Slugs per Gallon Converter — lb/mm3 to slug/gal
Convert Pound per Cubic Millimeter (lb/mm3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 pound per cubic millimeter = 117,654.195 slug per gallon). See the formula, worked examples, and conversion table.
Pounds per Cubic Millimeter to Slugs per Gallon 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 / 3855.301291.
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 Gallon
Pound per Cubic Millimeter and Slug per Gallon 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 gallon = pounds per cubic millimeter × 117654.195037
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 gallon equals 3855.30129084 base units, so dividing one by the other gives the direct pound per cubic millimeter-to-slug per gallon factor of 117654.195037.
Simple example
1 lb/mm3 × 117654.195 = 117,654.195 slug/gal
1 pound per cubic millimeter = 117,654.195 slugs per gallon.
Real-world example
1,000 lb/mm3 × 117654.195 = 117,654,195 slug/gal
1,000 pounds per cubic millimeter = 117,654,195 slugs per gallon.
Conversion table
| Pound per Cubic Millimeter (lb/mm3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 lb/mm3 | 11,765.4195 slug/gal |
| 1 lb/mm3 | 117,654.195 slug/gal |
| 10 lb/mm3 | 1,176,541.95 slug/gal |
| 100 lb/mm3 | 11,765,419.5 slug/gal |
| 1,000 lb/mm3 | 117,654,195 slug/gal |
| 10,000 lb/mm3 | 1,176,541,950 slug/gal |
Reverse conversion: Slug per Gallon to Pound per Cubic Millimeter
1 slug/gal × 0.00000849948444 = 0.0000084995 lb/mm3
1 slug per gallon = 0.0000084995 pounds per cubic millimeter.
pounds per cubic millimeter = slugs per gallon × 0.00000849948443982
For a page dedicated to this direction, see Slug per Gallon to Pound per Cubic Millimeter.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per gallon are in 1 pound per cubic millimeter?
1 pound per cubic millimeter equals 117,654.195 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic millimeter to slug per gallon?
Multiply the pound per cubic millimeter value by 117654.195. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to pound per cubic millimeter?
Use the reverse factor: 1 slug per gallon equals 0.0000084995 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 gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the pound per cubic millimeter to slug per gallon conversion exact?
Yes. Both pound per cubic millimeter and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 117654.195 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.