Mass per volume density.
Drams per Tablespoon to Stones per Tablespoon Converter — dr/tbsp to st/tbsp
Convert Dram per Tablespoon (dr/tbsp) to Stone per Tablespoon (st/tbsp) using the exact conversion factor (1 dram per tablespoon = 0.0002790179 stone per tablespoon). See the formula, worked examples, and conversion table.
Drams per Tablespoon 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 119.8264273 / 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 Tablespoon to Stones per Tablespoon
Dram per Tablespoon 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 tablespoon × 0.000279017857143
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per tablespoon equals 119.826427317 base units, and 1 stone per tablespoon equals 429457.915504 base units, so dividing one by the other gives the direct dram per tablespoon-to-stone per tablespoon factor of 0.000279017857143.
Simple example
1 dr/tbsp × 0.0002790178571 = 0.0002790179 st/tbsp
1 dram per tablespoon = 0.0002790179 stones per tablespoon.
Real-world example
1,000 dr/tbsp × 0.0002790178571 = 0.2790178571 st/tbsp
1,000 drams per tablespoon = 0.2790178571 stones per tablespoon.
Conversion table
| Dram per Tablespoon (dr/tbsp) | Stone per Tablespoon (st/tbsp) |
|---|---|
| 0.1 dr/tbsp | 0.0000279018 st/tbsp |
| 1 dr/tbsp | 0.0002790179 st/tbsp |
| 10 dr/tbsp | 0.0027901786 st/tbsp |
| 100 dr/tbsp | 0.0279017857 st/tbsp |
| 1,000 dr/tbsp | 0.2790178571 st/tbsp |
| 10,000 dr/tbsp | 2.790178571 st/tbsp |
Reverse conversion: Stone per Tablespoon to Dram per Tablespoon
0.0002790179 st/tbsp × 3584 = 1.000000154 dr/tbsp
0.0002790179 stones per tablespoon = 1.000000154 drams per tablespoon.
drams per tablespoon = stones per tablespoon × 3584
For a page dedicated to this direction, see Stone per Tablespoon to Dram per Tablespoon.
Understanding the Dram per Tablespoon (dr/tbsp)
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 tablespoon?
1 dram per tablespoon equals 0.0002790179 stones per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per tablespoon to stone per tablespoon?
Multiply the dram per tablespoon value by 0.0002790178571. The converter above does this instantly to whatever precision you set.
How do I convert stone per tablespoon back to dram per tablespoon?
Use the reverse factor: 1 stone per tablespoon equals 3,584 drams per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per tablespoon?
Dram per Tablespoon (dr/tbsp) 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 tablespoon to stone per tablespoon conversion exact?
Yes. Both dram per tablespoon and stone per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 0.0002790178571 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.