Mass per volume density.
Grains per Teaspoon to Ounces per Quart Converter — gr/tsp to oz/qt
Convert Grain per Teaspoon (gr/tsp) to Ounce per Quart (oz/qt) using the exact conversion factor (1 grain per teaspoon = 0.4388571429 ounce per quart). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Ounces 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 13.14667088 / 29.95660683.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Teaspoon to Ounces per Quart
Grain per Teaspoon and Ounce 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
ounces per quart = grains per teaspoon × 0.438857142857
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per teaspoon equals 13.1466708828 base units, and 1 ounce per quart equals 29.9566068292 base units, so dividing one by the other gives the direct grain per teaspoon-to-ounce per quart factor of 0.438857142857.
Simple example
1 gr/tsp × 0.4388571429 = 0.4388571429 oz/qt
1 grain per teaspoon = 0.4388571429 ounces per quart.
Real-world example
1,000 gr/tsp × 0.4388571429 = 438.8571429 oz/qt
1,000 grains per teaspoon = 438.8571429 ounces per quart.
Conversion table
| Grain per Teaspoon (gr/tsp) | Ounce per Quart (oz/qt) |
|---|---|
| 0.1 gr/tsp | 0.0438857143 oz/qt |
| 1 gr/tsp | 0.4388571429 oz/qt |
| 10 gr/tsp | 4.388571429 oz/qt |
| 100 gr/tsp | 43.88571429 oz/qt |
| 1,000 gr/tsp | 438.8571429 oz/qt |
| 10,000 gr/tsp | 4,388.571429 oz/qt |
Reverse conversion: Ounce per Quart to Grain per Teaspoon
0.4388571429 oz/qt × 2.278645833 = 1 gr/tsp
0.4388571429 ounces per quart = 1 grains per teaspoon.
grains per teaspoon = ounces per quart × 2.27864583333
For a page dedicated to this direction, see Ounce per Quart to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Ounce per Quart (oz/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per quart are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.4388571429 ounces per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to ounce per quart?
Multiply the grain per teaspoon value by 0.4388571429. The converter above does this instantly to whatever precision you set.
How do I convert ounce per quart back to grain per teaspoon?
Use the reverse factor: 1 ounce per quart equals 2.278645833 grains per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
What is a ounce per quart?
Ounce per Quart (oz/qt) is a unit of density.
Is the grain per teaspoon to ounce per quart conversion exact?
Yes. Both grain per teaspoon and ounce per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.4388571429 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.