Mass per volume density.
Grains per Gallon to Slugs per Quart Converter — gr/gal to slug/qt
Convert Grain per Gallon (gr/gal) to Slug per Quart (slug/qt) using the exact conversion factor (1 grain per gallon = 0.00000111 slug per quart). See the formula, worked examples, and conversion table.
Grains per Gallon to Slugs per Quart 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 0.01711806105 / 15421.20516.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Slugs per Quart
Grain per Gallon and Slug per Quart 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 quart = grains per gallon × 0.0000011100339347
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct grain per gallon-to-slug per quart factor of 0.0000011100339347.
Simple example
1 gr/gal × 0.000001110033935 = 0.00000111 slug/qt
1 grain per gallon = 0.00000111 slugs per quart.
Real-world example
1,000 gr/gal × 0.000001110033935 = 0.0011100339 slug/qt
1,000 grains per gallon = 0.0011100339 slugs per quart.
Conversion table
| Grain per Gallon (gr/gal) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 gr/gal | 1.110034e-7 slug/qt |
| 1 gr/gal | 0.00000111 slug/qt |
| 10 gr/gal | 0.0000111003 slug/qt |
| 100 gr/gal | 0.0001110034 slug/qt |
| 1,000 gr/gal | 0.0011100339 slug/qt |
| 10,000 gr/gal | 0.0111003394 slug/qt |
Reverse conversion: Slug per Quart to Grain per Gallon
0.00000111 slug/qt × 900873.3596 = 0.9999694291 gr/gal
0.00000111 slugs per quart = 0.9999694291 grains per gallon.
grains per gallon = slugs per quart × 900873.35958
For a page dedicated to this direction, see Slug per Quart to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Slug per Quart (slug/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per quart are in 1 grain per gallon?
1 grain per gallon equals 0.00000111 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to slug per quart?
Multiply the grain per gallon value by 0.000001110033935. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to grain per gallon?
Use the reverse factor: 1 slug per quart equals 900,873.3596 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a slug per quart?
Slug per Quart (slug/qt) is a unit of density.
Is the grain per gallon to slug per quart conversion exact?
Yes. Both grain per gallon and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.000001110033935 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.