Mass per volume density.
Carats per Teaspoon to Stones per Quart Converter — ct/tsp to st/qt
Convert Carat per Teaspoon (ct/tsp) to Stone per Quart (st/qt) using the exact conversion factor (1 carat per teaspoon = 0.0060469649 stone per quart). See the formula, worked examples, and conversion table.
Carats 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 40.57682724 / 6710.27993.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Teaspoon to Stones per Quart
Carat 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 = carats per teaspoon × 0.00604696490564
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per teaspoon equals 40.5768272422 base units, and 1 stone per quart equals 6710.27992975 base units, so dividing one by the other gives the direct carat per teaspoon-to-stone per quart factor of 0.00604696490564.
Simple example
1 ct/tsp × 0.006046964906 = 0.0060469649 st/qt
1 carat per teaspoon = 0.0060469649 stones per quart.
Real-world example
1,000 ct/tsp × 0.006046964906 = 6.046964906 st/qt
1,000 carats per teaspoon = 6.046964906 stones per quart.
Conversion table
| Carat per Teaspoon (ct/tsp) | Stone per Quart (st/qt) |
|---|---|
| 0.1 ct/tsp | 0.0006046965 st/qt |
| 1 ct/tsp | 0.0060469649 st/qt |
| 10 ct/tsp | 0.0604696491 st/qt |
| 100 ct/tsp | 0.6046964906 st/qt |
| 1,000 ct/tsp | 6.046964906 st/qt |
| 10,000 ct/tsp | 60.46964906 st/qt |
Reverse conversion: Stone per Quart to Carat per Teaspoon
0.0060469649 st/qt × 165.3722182 = 0.9999999991 ct/tsp
0.0060469649 stones per quart = 0.9999999991 carats per teaspoon.
carats per teaspoon = stones per quart × 165.372218229
For a page dedicated to this direction, see Stone per Quart to Carat per Teaspoon.
Understanding the Carat per Teaspoon (ct/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 carat per teaspoon?
1 carat per teaspoon equals 0.0060469649 stones per quart, using the exact defined conversion factor rather than an estimate.
How do I convert carat per teaspoon to stone per quart?
Multiply the carat per teaspoon value by 0.006046964906. The converter above does this instantly to whatever precision you set.
How do I convert stone per quart back to carat per teaspoon?
Use the reverse factor: 1 stone per quart equals 165.3722182 carats per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
Is the carat per teaspoon to stone per quart conversion exact?
Yes. Both carat per teaspoon and stone per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.006046964906 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.