Mass per volume density.
Drams per Teaspoon to Stones per Gallon Converter — dr/tsp to st/gal
Convert Dram per Teaspoon (dr/tsp) to Stone per Gallon (st/gal) using the exact conversion factor (1 dram per teaspoon = 0.2142857143 stone per gallon). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Stones per Gallon 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 / 1677.569982.
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 Gallon
Dram per Teaspoon and Stone per Gallon 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 gallon = drams per teaspoon × 0.214285714286
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 gallon equals 1677.56998244 base units, so dividing one by the other gives the direct dram per teaspoon-to-stone per gallon factor of 0.214285714286.
Simple example
1 dr/tsp × 0.2142857143 = 0.2142857143 st/gal
1 dram per teaspoon = 0.2142857143 stones per gallon.
Real-world example
1,000 dr/tsp × 0.2142857143 = 214.2857143 st/gal
1,000 drams per teaspoon = 214.2857143 stones per gallon.
Conversion table
| Dram per Teaspoon (dr/tsp) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 dr/tsp | 0.0214285714 st/gal |
| 1 dr/tsp | 0.2142857143 st/gal |
| 10 dr/tsp | 2.142857143 st/gal |
| 100 dr/tsp | 21.42857143 st/gal |
| 1,000 dr/tsp | 214.2857143 st/gal |
| 10,000 dr/tsp | 2,142.857143 st/gal |
Reverse conversion: Stone per Gallon to Dram per Teaspoon
0.2142857143 st/gal × 4.666666667 = 1 dr/tsp
0.2142857143 stones per gallon = 1 drams per teaspoon.
drams per teaspoon = stones per gallon × 4.66666666667
For a page dedicated to this direction, see Stone per Gallon to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 dram per teaspoon?
1 dram per teaspoon equals 0.2142857143 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to stone per gallon?
Multiply the dram per teaspoon value by 0.2142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to dram per teaspoon?
Use the reverse factor: 1 stone per gallon equals 4.666666667 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 gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the dram per teaspoon to stone per gallon conversion exact?
Yes. Both dram per teaspoon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.2142857143 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.