Mass per volume density.
Grains per Quart to Carats per Teaspoon Converter — gr/qt to ct/tsp
Convert Grain per Quart (gr/qt) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 grain per quart = 0.0016874716 carat per teaspoon). See the formula, worked examples, and conversion table.
Grains per Quart to Carats per Teaspoon 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 / 40.57682724.
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 Carats per Teaspoon
Grain per Quart and Carat per Teaspoon 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
carats per teaspoon = grains per quart × 0.00168747161458
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 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct grain per quart-to-carat per teaspoon factor of 0.00168747161458.
Simple example
1 gr/qt × 0.001687471615 = 0.0016874716 ct/tsp
1 grain per quart = 0.0016874716 carats per teaspoon.
Real-world example
1,000 gr/qt × 0.001687471615 = 1.687471615 ct/tsp
1,000 grains per quart = 1.687471615 carats per teaspoon.
Conversion table
| Grain per Quart (gr/qt) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 gr/qt | 0.0001687472 ct/tsp |
| 1 gr/qt | 0.0016874716 ct/tsp |
| 10 gr/qt | 0.0168747162 ct/tsp |
| 100 gr/qt | 0.1687471615 ct/tsp |
| 1,000 gr/qt | 1.687471615 ct/tsp |
| 10,000 gr/qt | 16.87471615 ct/tsp |
Reverse conversion: Carat per Teaspoon to Grain per Quart
0.0016874716 ct/tsp × 592.6025608 = 0.9999999914 gr/qt
0.0016874716 carats per teaspoon = 0.9999999914 grains per quart.
grains per quart = carats per teaspoon × 592.602560753
For a page dedicated to this direction, see Carat per Teaspoon to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Understanding the Carat per Teaspoon (ct/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per teaspoon are in 1 grain per quart?
1 grain per quart equals 0.0016874716 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to carat per teaspoon?
Multiply the grain per quart value by 0.001687471615. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to grain per quart?
Use the reverse factor: 1 carat per teaspoon equals 592.6025608 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 carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
Is the grain per quart to carat per teaspoon conversion exact?
Yes. Both grain per quart and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.001687471615 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.