Mass per volume density.
Drams per Fluid ounce to Stones per Tablespoon Converter — dr/fl oz to st/tbsp
Convert Dram per Fluid ounce (dr/fl oz) to Stone per Tablespoon (st/tbsp) using the exact conversion factor (1 dram per fluid ounce = 0.0001395089 stone per tablespoon). See the formula, worked examples, and conversion table.
Drams per Fluid ounce 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 59.91321366 / 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 Fluid ounce to Stones per Tablespoon
Dram per Fluid ounce 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 fluid ounce × 0.000139508928571
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 stone per tablespoon equals 429457.915504 base units, so dividing one by the other gives the direct dram per fluid ounce-to-stone per tablespoon factor of 0.000139508928571.
Simple example
1 dr/fl oz × 0.0001395089286 = 0.0001395089 st/tbsp
1 dram per fluid ounce = 0.0001395089 stones per tablespoon.
Real-world example
1,000 dr/fl oz × 0.0001395089286 = 0.1395089286 st/tbsp
1,000 drams per fluid ounce = 0.1395089286 stones per tablespoon.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Stone per Tablespoon (st/tbsp) |
|---|---|
| 0.1 dr/fl oz | 0.0000139509 st/tbsp |
| 1 dr/fl oz | 0.0001395089 st/tbsp |
| 10 dr/fl oz | 0.0013950893 st/tbsp |
| 100 dr/fl oz | 0.0139508929 st/tbsp |
| 1,000 dr/fl oz | 0.1395089286 st/tbsp |
| 10,000 dr/fl oz | 1.395089286 st/tbsp |
Reverse conversion: Stone per Tablespoon to Dram per Fluid ounce
0.0001395089 st/tbsp × 7168 = 0.9999997952 dr/fl oz
0.0001395089 stones per tablespoon = 0.9999997952 drams per fluid ounce.
drams per fluid ounce = stones per tablespoon × 7168
For a page dedicated to this direction, see Stone per Tablespoon to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
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 fluid ounce?
1 dram per fluid ounce equals 0.0001395089 stones per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to stone per tablespoon?
Multiply the dram per fluid ounce value by 0.0001395089286. The converter above does this instantly to whatever precision you set.
How do I convert stone per tablespoon back to dram per fluid ounce?
Use the reverse factor: 1 stone per tablespoon equals 7,168 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) 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 fluid ounce to stone per tablespoon conversion exact?
Yes. Both dram per fluid ounce and stone per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 0.0001395089286 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.