Mass per volume density.
Slugs per Gallon to Pounds per Cubic Millimeter Converter — slug/gal to lb/mm3
Convert Slug per Gallon (slug/gal) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 slug per gallon = 0.0000084995 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Slugs per Gallon 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 3855.301291 / 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 Gallon to Pounds per Cubic Millimeter
Slug per Gallon 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 gallon × 0.00000849948443982
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per gallon equals 3855.30129084 base units, and 1 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct slug per gallon-to-pound per cubic millimeter factor of 0.00000849948443982.
Simple example
1 slug/gal × 0.00000849948444 = 0.0000084995 lb/mm3
1 slug per gallon = 0.0000084995 pounds per cubic millimeter.
Real-world example
1,000 slug/gal × 0.00000849948444 = 0.0084994844 lb/mm3
1,000 slugs per gallon = 0.0084994844 pounds per cubic millimeter.
Conversion table
| Slug per Gallon (slug/gal) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 slug/gal | 8.499484e-7 lb/mm3 |
| 1 slug/gal | 0.0000084995 lb/mm3 |
| 10 slug/gal | 0.0000849948 lb/mm3 |
| 100 slug/gal | 0.0008499484 lb/mm3 |
| 1,000 slug/gal | 0.0084994844 lb/mm3 |
| 10,000 slug/gal | 0.0849948444 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Slug per Gallon
0.0000084995 lb/mm3 × 117654.195 = 1.000001831 slug/gal
0.0000084995 pounds per cubic millimeter = 1.000001831 slugs per gallon.
slugs per gallon = pounds per cubic millimeter × 117654.195037
For a page dedicated to this direction, see Pound per Cubic Millimeter to Slug per Gallon.
Understanding the Slug per Gallon (slug/gal)
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 gallon?
1 slug per gallon equals 0.0000084995 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert slug per gallon to pound per cubic millimeter?
Multiply the slug per gallon value by 0.00000849948444. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to slug per gallon?
Use the reverse factor: 1 pound per cubic millimeter equals 117,654.195 slugs per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per gallon?
Slug per Gallon (slug/gal) 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 gallon to pound per cubic millimeter conversion exact?
Yes. Both slug per gallon and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.00000849948444 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.