Mass per volume density.
Grams per Quart to Slugs per Gallon Converter — g/qt to slug/gal
Convert Gram per Quart (g/qt) to Slug per Gallon (slug/gal) using the exact conversion factor (1 gram per quart = 0.0002740871 slug per gallon). See the formula, worked examples, and conversion table.
Grams per Quart to Slugs per Gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 1.056688209 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Quart to Slugs per Gallon
Gram per Quart 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 = grams per quart × 0.000274087063427
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per quart equals 1.05668820943 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct gram per quart-to-slug per gallon factor of 0.000274087063427.
Simple example
1 g/qt × 0.0002740870634 = 0.0002740871 slug/gal
1 gram per quart = 0.0002740871 slugs per gallon.
Real-world example
1,000 g/qt × 0.0002740870634 = 0.2740870634 slug/gal
1,000 grams per quart = 0.2740870634 slugs per gallon.
Conversion table
| Gram per Quart (g/qt) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 g/qt | 0.0000274087 slug/gal |
| 1 g/qt | 0.0002740871 slug/gal |
| 10 g/qt | 0.0027408706 slug/gal |
| 100 g/qt | 0.0274087063 slug/gal |
| 1,000 g/qt | 0.2740870634 slug/gal |
| 10,000 g/qt | 2.740870634 slug/gal |
Reverse conversion: Slug per Gallon to Gram per Quart
0.0002740871 slug/gal × 3648.475734 = 1.000000133 g/qt
0.0002740871 slugs per gallon = 1.000000133 grams per quart.
grams per quart = slugs per gallon × 3648.4757343
For a page dedicated to this direction, see Slug per Gallon to Gram per Quart.
Understanding the Gram per Quart (g/qt)
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 gram per quart?
1 gram per quart equals 0.0002740871 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per quart to slug per gallon?
Multiply the gram per quart value by 0.0002740870634. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to gram per quart?
Use the reverse factor: 1 slug per gallon equals 3,648.475734 grams per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per quart?
Gram per Quart (g/qt) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the gram per quart to slug per gallon conversion exact?
Yes. Both gram per quart and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0002740870634 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.