Mass per volume density.
Drams per Teaspoon to Stones per Fluid ounce Converter — dr/tsp to st/fl oz
Convert Dram per Teaspoon (dr/tsp) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 dram per teaspoon = 0.0016741071 stone per fluid ounce). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Stones per Fluid ounce 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 / 214728.9578.
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 Fluid ounce
Dram per Teaspoon and Stone per Fluid ounce 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 fluid ounce = drams per teaspoon × 0.00167410714286
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 fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct dram per teaspoon-to-stone per fluid ounce factor of 0.00167410714286.
Simple example
1 dr/tsp × 0.001674107143 = 0.0016741071 st/fl oz
1 dram per teaspoon = 0.0016741071 stones per fluid ounce.
Real-world example
1,000 dr/tsp × 0.001674107143 = 1.674107143 st/fl oz
1,000 drams per teaspoon = 1.674107143 stones per fluid ounce.
Conversion table
| Dram per Teaspoon (dr/tsp) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 dr/tsp | 0.0001674107 st/fl oz |
| 1 dr/tsp | 0.0016741071 st/fl oz |
| 10 dr/tsp | 0.0167410714 st/fl oz |
| 100 dr/tsp | 0.1674107143 st/fl oz |
| 1,000 dr/tsp | 1.674107143 st/fl oz |
| 10,000 dr/tsp | 16.74107143 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Dram per Teaspoon
0.0016741071 st/fl oz × 597.3333333 = 0.9999999744 dr/tsp
0.0016741071 stones per fluid ounce = 0.9999999744 drams per teaspoon.
drams per teaspoon = stones per fluid ounce × 597.333333333
For a page dedicated to this direction, see Stone per Fluid ounce to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 dram per teaspoon?
1 dram per teaspoon equals 0.0016741071 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to stone per fluid ounce?
Multiply the dram per teaspoon value by 0.001674107143. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to dram per teaspoon?
Use the reverse factor: 1 stone per fluid ounce equals 597.3333333 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 fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the dram per teaspoon to stone per fluid ounce conversion exact?
Yes. Both dram per teaspoon and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.001674107143 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.