Mass per volume density.
Grains per Teaspoon to Stones per Quart Converter — gr/tsp to st/qt
Convert Grain per Teaspoon (gr/tsp) to Stone per Quart (st/qt) using the exact conversion factor (1 grain per teaspoon = 0.0019591837 stone per quart). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Stones 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 / 6710.27993.
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 Stones per Quart
Grain per Teaspoon and Stone 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
stones per quart = grains per teaspoon × 0.00195918367347
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 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct grain per teaspoon-to-stone per quart factor of 0.00195918367347.
Simple example
1 gr/tsp × 0.001959183673 = 0.0019591837 st/qt
1 grain per teaspoon = 0.0019591837 stones per quart.
Real-world example
1,000 gr/tsp × 0.001959183673 = 1.959183673 st/qt
1,000 grains per teaspoon = 1.959183673 stones per quart.
Conversion table
| Grain per Teaspoon (gr/tsp) | Stone per Quart (st/qt) |
|---|---|
| 0.1 gr/tsp | 0.0001959184 st/qt |
| 1 gr/tsp | 0.0019591837 st/qt |
| 10 gr/tsp | 0.0195918367 st/qt |
| 100 gr/tsp | 0.1959183673 st/qt |
| 1,000 gr/tsp | 1.959183673 st/qt |
| 10,000 gr/tsp | 19.59183673 st/qt |
Reverse conversion: Stone per Quart to Grain per Teaspoon
0.0019591837 st/qt × 510.4166667 = 1.000000014 gr/tsp
0.0019591837 stones per quart = 1.000000014 grains per teaspoon.
grains per teaspoon = stones per quart × 510.416666667
For a page dedicated to this direction, see Stone per Quart to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per quart are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.0019591837 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to stone per quart?
Multiply the grain per teaspoon value by 0.001959183673. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to grain per teaspoon?
Use the reverse factor: 1 stone per quart equals 510.4166667 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 stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the grain per teaspoon to stone per quart conversion exact?
Yes. Both grain per teaspoon and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.001959183673 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.