Mass per volume density.
Drams per Teaspoon to Stones per Cup Converter — dr/tsp to st/cup
Convert Dram per Teaspoon (dr/tsp) to Stone per Cup (st/cup) using the exact conversion factor (1 dram per teaspoon = 0.0133928571 stone per cup). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Stones per Cup 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 359.479282 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Teaspoon to Stones per Cup
Dram per Teaspoon and Stone per Cup 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 cup = drams per teaspoon × 0.0133928571429
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per teaspoon equals 359.479281951 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct dram per teaspoon-to-stone per cup factor of 0.0133928571429.
Simple example
1 dr/tsp × 0.01339285714 = 0.0133928571 st/cup
1 dram per teaspoon = 0.0133928571 stones per cup.
Real-world example
1,000 dr/tsp × 0.01339285714 = 13.39285714 st/cup
1,000 drams per teaspoon = 13.39285714 stones per cup.
Conversion table
| Dram per Teaspoon (dr/tsp) | Stone per Cup (st/cup) |
|---|---|
| 0.1 dr/tsp | 0.0013392857 st/cup |
| 1 dr/tsp | 0.0133928571 st/cup |
| 10 dr/tsp | 0.1339285714 st/cup |
| 100 dr/tsp | 1.339285714 st/cup |
| 1,000 dr/tsp | 13.39285714 st/cup |
| 10,000 dr/tsp | 133.9285714 st/cup |
Reverse conversion: Stone per Cup to Dram per Teaspoon
0.0133928571 st/cup × 74.66666667 = 0.9999999968 dr/tsp
0.0133928571 stones per cup = 0.9999999968 drams per teaspoon.
drams per teaspoon = stones per cup × 74.6666666667
For a page dedicated to this direction, see Stone per Cup to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 dram per teaspoon?
1 dram per teaspoon equals 0.0133928571 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to stone per cup?
Multiply the dram per teaspoon value by 0.01339285714. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to dram per teaspoon?
Use the reverse factor: 1 stone per cup equals 74.66666667 drams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the dram per teaspoon to stone per cup conversion exact?
Yes. Both dram per teaspoon and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.01339285714 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.