Mass per volume density.
Drams per Cup to Stones per Tablespoon Converter — dr/cup to st/tbsp
Convert Dram per Cup (dr/cup) to Stone per Tablespoon (st/tbsp) using the exact conversion factor (1 dram per cup = 0.0000174386 stone per tablespoon). See the formula, worked examples, and conversion table.
Drams per Cup to Stones per Tablespoon 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 7.489151707 / 429457.9155.
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 Tablespoon
Dram per Cup and Stone per Tablespoon 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 tablespoon = drams per cup × 0.0000174386160714
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 tablespoon equals 429457.915504 base units, so dividing one by the other gives the direct dram per cup-to-stone per tablespoon factor of 0.0000174386160714.
Simple example
1 dr/cup × 0.00001743861607 = 0.0000174386 st/tbsp
1 dram per cup = 0.0000174386 stones per tablespoon.
Real-world example
1,000 dr/cup × 0.00001743861607 = 0.0174386161 st/tbsp
1,000 drams per cup = 0.0174386161 stones per tablespoon.
Conversion table
| Dram per Cup (dr/cup) | Stone per Tablespoon (st/tbsp) |
|---|---|
| 0.1 dr/cup | 0.0000017439 st/tbsp |
| 1 dr/cup | 0.0000174386 st/tbsp |
| 10 dr/cup | 0.0001743862 st/tbsp |
| 100 dr/cup | 0.0017438616 st/tbsp |
| 1,000 dr/cup | 0.0174386161 st/tbsp |
| 10,000 dr/cup | 0.1743861607 st/tbsp |
Reverse conversion: Stone per Tablespoon to Dram per Cup
0.0000174386 st/tbsp × 57344 = 0.9999990784 dr/cup
0.0000174386 stones per tablespoon = 0.9999990784 drams per cup.
drams per cup = stones per tablespoon × 57344
For a page dedicated to this direction, see Stone per Tablespoon to Dram per Cup.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Understanding the Stone per Tablespoon (st/tbsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per tablespoon are in 1 dram per cup?
1 dram per cup equals 0.0000174386 stones per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cup to stone per tablespoon?
Multiply the dram per cup value by 0.00001743861607. The converter above does this instantly to whatever precision you set.
How do I convert stone per tablespoon back to dram per cup?
Use the reverse factor: 1 stone per tablespoon equals 57,344 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 tablespoon?
Stone per Tablespoon (st/tbsp) is a unit of density.
Is the dram per cup to stone per tablespoon conversion exact?
Yes. Both dram per cup and stone per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00001743861607 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.