Mass per volume density.
Pounds per Imperial gallon to Slugs per Cubic foot Converter — lb/imp gal to slug/ft3
Convert Pound per Imperial gallon (lb/imp gal) to Slug per Cubic foot (slug/ft3) using the exact conversion factor (1 pound per imperial gallon = 0.1935981245 slug per cubic foot). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Slugs per Cubic foot 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 99.77637266 / 515.3788184.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Imperial gallon to Slugs per Cubic foot
Pound per Imperial gallon and Slug per Cubic foot 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 foot = pounds per imperial gallon × 0.193598124529
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per imperial gallon equals 99.7763726631 base units, and 1 slug per cubic foot equals 515.378818393 base units, so dividing one by the other gives the direct pound per imperial gallon-to-slug per cubic foot factor of 0.193598124529.
Simple example
1 lb/imp gal × 0.1935981245 = 0.1935981245 slug/ft3
1 pound per imperial gallon = 0.1935981245 slugs per cubic foot.
Real-world example
1,000 lb/imp gal × 0.1935981245 = 193.5981245 slug/ft3
1,000 pounds per imperial gallon = 193.5981245 slugs per cubic foot.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Slug per Cubic foot (slug/ft3) |
|---|---|
| 0.1 lb/imp gal | 0.0193598125 slug/ft3 |
| 1 lb/imp gal | 0.1935981245 slug/ft3 |
| 10 lb/imp gal | 1.935981245 slug/ft3 |
| 100 lb/imp gal | 19.35981245 slug/ft3 |
| 1,000 lb/imp gal | 193.5981245 slug/ft3 |
| 10,000 lb/imp gal | 1,935.981245 slug/ft3 |
Reverse conversion: Slug per Cubic foot to Pound per Imperial gallon
0.1935981245 slug/ft3 × 5.165339295 = 0.9999999998 lb/imp gal
0.1935981245 slugs per cubic foot = 0.9999999998 pounds per imperial gallon.
pounds per imperial gallon = slugs per cubic foot × 5.16533929464
For a page dedicated to this direction, see Slug per Cubic foot to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic foot are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 0.1935981245 slugs per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to slug per cubic foot?
Multiply the pound per imperial gallon value by 0.1935981245. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic foot back to pound per imperial gallon?
Use the reverse factor: 1 slug per cubic foot equals 5.165339295 pounds per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
Is the pound per imperial gallon to slug per cubic foot conversion exact?
Yes. Both pound per imperial gallon and slug per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.1935981245 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.