Mass per volume density.
Milligrams per Imperial gallon to Slugs per Gallon Converter — mg/imp gal to slug/gal
Convert Milligram per Imperial gallon (mg/imp gal) to Slug per Gallon (slug/gal) using the exact conversion factor (1 milligram per imperial gallon = 5.705631e-8 slug per gallon). See the formula, worked examples, and conversion table.
Milligrams per Imperial gallon 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 0.0002199692483 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Imperial gallon to Slugs per Gallon
Milligram per Imperial gallon 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 = milligrams per imperial gallon × 5.705631e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per imperial gallon equals 0.000219969248299 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct milligram per imperial gallon-to-slug per gallon factor of 5.705631e-8.
Simple example
1 mg/imp gal × 5.705631e-8 = 5.705631e-8 slug/gal
1 milligram per imperial gallon = 5.705631e-8 slugs per gallon.
Real-world example
1,000 mg/imp gal × 5.705631e-8 = 0.0000570563 slug/gal
1,000 milligrams per imperial gallon = 0.0000570563 slugs per gallon.
Conversion table
| Milligram per Imperial gallon (mg/imp gal) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 mg/imp gal | 5.705631e-9 slug/gal |
| 1 mg/imp gal | 5.705631e-8 slug/gal |
| 10 mg/imp gal | 5.705631e-7 slug/gal |
| 100 mg/imp gal | 0.0000057056 slug/gal |
| 1,000 mg/imp gal | 0.0000570563 slug/gal |
| 10,000 mg/imp gal | 0.0005705631 slug/gal |
Reverse conversion: Slug per Gallon to Milligram per Imperial gallon
5.705631e-8 slug/gal × 17526546.65 = 1.000000079 mg/imp gal
5.705631e-8 slugs per gallon = 1.000000079 milligrams per imperial gallon.
milligrams per imperial gallon = slugs per gallon × 17526546.6453
For a page dedicated to this direction, see Slug per Gallon to Milligram per Imperial gallon.
Understanding the Milligram per Imperial gallon (mg/imp gal)
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 milligram per imperial gallon?
1 milligram per imperial gallon equals 5.705631e-8 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per imperial gallon to slug per gallon?
Multiply the milligram per imperial gallon value by 5.705631e-8. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to milligram per imperial gallon?
Use the reverse factor: 1 slug per gallon equals 17,526,546.65 milligrams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per imperial gallon?
Milligram per Imperial gallon (mg/imp gal) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the milligram per imperial gallon to slug per gallon conversion exact?
Yes. Both milligram per imperial gallon and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 5.705631e-8 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.