Mass per volume density.
Drams per Fluid ounce to Long tons per Teaspoon Converter — dr/fl oz to long ton/tsp
Convert Dram per Fluid ounce (dr/fl oz) to Long ton per Teaspoon (long ton/tsp) using the exact conversion factor (1 dram per fluid ounce = 2.906436e-7 long ton per teaspoon). See the formula, worked examples, and conversion table.
Drams per Fluid ounce to Long tons per Teaspoon 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 / 2.06139799e+8.
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 Long tons per Teaspoon
Dram per Fluid ounce and Long ton per Teaspoon 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
long tons per teaspoon = drams per fluid ounce × 2.906436e-7
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 long ton per teaspoon equals 206139799.442 base units, so dividing one by the other gives the direct dram per fluid ounce-to-long ton per teaspoon factor of 2.906436e-7.
Simple example
1 dr/fl oz × 2.906436e-7 = 2.906436e-7 long ton/tsp
1 dram per fluid ounce = 2.906436e-7 long tons per teaspoon.
Real-world example
1,000 dr/fl oz × 2.906436e-7 = 0.0002906436 long ton/tsp
1,000 drams per fluid ounce = 0.0002906436 long tons per teaspoon.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Long ton per Teaspoon (long ton/tsp) |
|---|---|
| 0.1 dr/fl oz | 2.906436e-8 long ton/tsp |
| 1 dr/fl oz | 2.906436e-7 long ton/tsp |
| 10 dr/fl oz | 0.0000029064 long ton/tsp |
| 100 dr/fl oz | 0.0000290644 long ton/tsp |
| 1,000 dr/fl oz | 0.0002906436 long ton/tsp |
| 10,000 dr/fl oz | 0.002906436 long ton/tsp |
Reverse conversion: Long ton per Teaspoon to Dram per Fluid ounce
2.906436e-7 long ton/tsp × 3440640 = 0.9999999959 dr/fl oz
2.906436e-7 long tons per teaspoon = 0.9999999959 drams per fluid ounce.
drams per fluid ounce = long tons per teaspoon × 3440640
For a page dedicated to this direction, see Long ton per Teaspoon to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Understanding the Long ton per Teaspoon (long ton/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per teaspoon are in 1 dram per fluid ounce?
1 dram per fluid ounce equals 2.906436e-7 long tons per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to long ton per teaspoon?
Multiply the dram per fluid ounce value by 2.906436e-7. The converter above does this instantly to whatever precision you set.
How do I convert long ton per teaspoon back to dram per fluid ounce?
Use the reverse factor: 1 long ton per teaspoon equals 3,440,640 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 long ton per teaspoon?
Long ton per Teaspoon (long ton/tsp) is a unit of density.
Is the dram per fluid ounce to long ton per teaspoon conversion exact?
Yes. Both dram per fluid ounce and long ton per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 2.906436e-7 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.