Mass per volume density.
Grains per Quart to Slugs per Quart Converter — gr/qt to slug/qt
Convert Grain per Quart (gr/qt) to Slug per Quart (slug/qt) using the exact conversion factor (1 grain per quart = 0.0000044401 slug per quart). See the formula, worked examples, and conversion table.
Grains per Quart 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 0.06847224418 / 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 Quart to Slugs per Quart
Grain per Quart 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 quart × 0.0000044401357388
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per quart equals 0.0684722441811 base units, and 1 slug per quart equals 15421.2051633 base units, so dividing one by the other gives the direct grain per quart-to-slug per quart factor of 0.0000044401357388.
Simple example
1 gr/qt × 0.000004440135739 = 0.0000044401 slug/qt
1 grain per quart = 0.0000044401 slugs per quart.
Real-world example
1,000 gr/qt × 0.000004440135739 = 0.0044401357 slug/qt
1,000 grains per quart = 0.0044401357 slugs per quart.
Conversion table
| Grain per Quart (gr/qt) | Slug per Quart (slug/qt) |
|---|---|
| 0.1 gr/qt | 4.440136e-7 slug/qt |
| 1 gr/qt | 0.0000044401 slug/qt |
| 10 gr/qt | 0.0000444014 slug/qt |
| 100 gr/qt | 0.0004440136 slug/qt |
| 1,000 gr/qt | 0.0044401357 slug/qt |
| 10,000 gr/qt | 0.0444013574 slug/qt |
Reverse conversion: Slug per Quart to Grain per Quart
0.0000044401 slug/qt × 225218.3399 = 0.999991951 gr/qt
0.0000044401 slugs per quart = 0.999991951 grains per quart.
grains per quart = slugs per quart × 225218.339895
For a page dedicated to this direction, see Slug per Quart to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
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 quart?
1 grain per quart equals 0.0000044401 slugs per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to slug per quart?
Multiply the grain per quart value by 0.000004440135739. The converter above does this instantly to whatever precision you set.
How do I convert slug per quart back to grain per quart?
Use the reverse factor: 1 slug per quart equals 225,218.3399 grains per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per quart?
Grain per Quart (gr/qt) 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 quart to slug per quart conversion exact?
Yes. Both grain per quart and slug per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.000004440135739 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.