Mass per volume density.
Ounce per Cubic inches to Slugs per Gallon Converter — oz/in3 to slug/gal
Convert Ounce per Cubic inch (oz/in3) to Slug per Gallon (slug/gal) using the exact conversion factor (1 ounce per cubic inch = 0.4487312181 slug per gallon). See the formula, worked examples, and conversion table.
Ounce per Cubic inches 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 1729.994044 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce per Cubic inches to Slugs per Gallon
Ounce per Cubic inch 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 = ounce per cubic inches × 0.448731218102
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic inch equals 1729.99404439 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct ounce per cubic inch-to-slug per gallon factor of 0.448731218102.
Simple example
1 oz/in3 × 0.4487312181 = 0.4487312181 slug/gal
1 ounce per cubic inch = 0.4487312181 slugs per gallon.
Real-world example
1,000 oz/in3 × 0.4487312181 = 448.7312181 slug/gal
1,000 ounce per cubic inches = 448.7312181 slugs per gallon.
Conversion table
| Ounce per Cubic inch (oz/in3) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 oz/in3 | 0.0448731218 slug/gal |
| 1 oz/in3 | 0.4487312181 slug/gal |
| 10 oz/in3 | 4.487312181 slug/gal |
| 100 oz/in3 | 44.87312181 slug/gal |
| 1,000 oz/in3 | 448.7312181 slug/gal |
| 10,000 oz/in3 | 4,487.312181 slug/gal |
Reverse conversion: Slug per Gallon to Ounce per Cubic inch
0.4487312181 slug/gal × 2.228505528 = 1 oz/in3
0.4487312181 slugs per gallon = 1 ounce per cubic inches.
ounce per cubic inches = slugs per gallon × 2.22850552772
For a page dedicated to this direction, see Slug per Gallon to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
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 ounce per cubic inch?
1 ounce per cubic inch equals 0.4487312181 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to slug per gallon?
Multiply the ounce per cubic inch value by 0.4487312181. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to ounce per cubic inch?
Use the reverse factor: 1 slug per gallon equals 2.228505528 ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the ounce per cubic inch to slug per gallon conversion exact?
Yes. Both ounce per cubic inch and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.4487312181 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.