Mass per volume density.
Drams per Cup to Stones per Teaspoon Converter — dr/cup to st/tsp
Convert Dram per Cup (dr/cup) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 dram per cup = 0.0000058129 stone per teaspoon). See the formula, worked examples, and conversion table.
Drams per Cup to Stones per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 7.489151707 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Cup to Stones per Teaspoon
Dram per Cup and Stone 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
stones per teaspoon = drams per cup × 0.00000581287202381
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cup equals 7.48915170731 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct dram per cup-to-stone per teaspoon factor of 0.00000581287202381.
Simple example
1 dr/cup × 0.000005812872024 = 0.0000058129 st/tsp
1 dram per cup = 0.0000058129 stones per teaspoon.
Real-world example
1,000 dr/cup × 0.000005812872024 = 0.005812872 st/tsp
1,000 drams per cup = 0.005812872 stones per teaspoon.
Conversion table
| Dram per Cup (dr/cup) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 dr/cup | 5.812872e-7 st/tsp |
| 1 dr/cup | 0.0000058129 st/tsp |
| 10 dr/cup | 0.0000581287 st/tsp |
| 100 dr/cup | 0.0005812872 st/tsp |
| 1,000 dr/cup | 0.005812872 st/tsp |
| 10,000 dr/cup | 0.0581287202 st/tsp |
Reverse conversion: Stone per Teaspoon to Dram per Cup
0.0000058129 st/tsp × 172032 = 1.000004813 dr/cup
0.0000058129 stones per teaspoon = 1.000004813 drams per cup.
drams per cup = stones per teaspoon × 172032
For a page dedicated to this direction, see Stone per Teaspoon to Dram per Cup.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per teaspoon are in 1 dram per cup?
1 dram per cup equals 0.0000058129 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cup to stone per teaspoon?
Multiply the dram per cup value by 0.000005812872024. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to dram per cup?
Use the reverse factor: 1 stone per teaspoon equals 172,032 drams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the dram per cup to stone per teaspoon conversion exact?
Yes. Both dram per cup and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.000005812872024 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.