Mass per volume density.
Stones per Quart to Drams per Teaspoon Converter — st/qt to dr/tsp
Convert Stone per Quart (st/qt) to Dram per Teaspoon (dr/tsp) using the exact conversion factor (1 stone per quart = 18.66666667 dram per teaspoon). See the formula, worked examples, and conversion table.
Stones per Quart to Drams 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 6710.27993 / 359.479282.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Quart to Drams per Teaspoon
Stone per Quart and Dram 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
drams per teaspoon = stones per quart × 18.6666666667
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per quart equals 6710.27992975 base units, and 1 dram per teaspoon equals 359.479281951 base units, so dividing one by the other gives the direct stone per quart-to-dram per teaspoon factor of 18.6666666667.
Simple example
1 st/qt × 18.66666667 = 18.66666667 dr/tsp
1 stone per quart = 18.66666667 drams per teaspoon.
Real-world example
1,000 st/qt × 18.66666667 = 18,666.66667 dr/tsp
1,000 stones per quart = 18,666.66667 drams per teaspoon.
Conversion table
| Stone per Quart (st/qt) | Dram per Teaspoon (dr/tsp) |
|---|---|
| 0.1 st/qt | 1.866666667 dr/tsp |
| 1 st/qt | 18.66666667 dr/tsp |
| 10 st/qt | 186.6666667 dr/tsp |
| 100 st/qt | 1,866.666667 dr/tsp |
| 1,000 st/qt | 18,666.66667 dr/tsp |
| 10,000 st/qt | 186,666.6667 dr/tsp |
Reverse conversion: Dram per Teaspoon to Stone per Quart
18.66666667 dr/tsp × 0.05357142857 = 1 st/qt
18.66666667 drams per teaspoon = 1 stones per quart.
stones per quart = drams per teaspoon × 0.0535714285714
For a page dedicated to this direction, see Dram per Teaspoon to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per teaspoon are in 1 stone per quart?
1 stone per quart equals 18.66666667 drams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to dram per teaspoon?
Multiply the stone per quart value by 18.66666667. The converter above does this instantly to whatever precision you set.
How do I convert dram per teaspoon back to stone per quart?
Use the reverse factor: 1 dram per teaspoon equals 0.0535714286 stones per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per quart?
Stone per Quart (st/qt) is a unit of density.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
Is the stone per quart to dram per teaspoon conversion exact?
Yes. Both stone per quart and dram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 18.66666667 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.