Mass per volume density.
Drams per Teaspoon to Long tons per Milliliter Converter — dr/tsp to long ton/mL
Convert Dram per Teaspoon (dr/tsp) to Long ton per Milliliter (long ton/mL) using the exact conversion factor (1 dram per teaspoon = 3.538019e-7 long ton per milliliter). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Long tons per Milliliter converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 359.479282 / 1.01604691e+9.
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 Long tons per Milliliter
Dram per Teaspoon and Long ton per Milliliter 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 milliliter = drams per teaspoon × 3.538019e-7
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 long ton per milliliter equals 1016046908.8 base units, so dividing one by the other gives the direct dram per teaspoon-to-long ton per milliliter factor of 3.538019e-7.
Simple example
1 dr/tsp × 3.538019e-7 = 3.538019e-7 long ton/mL
1 dram per teaspoon = 3.538019e-7 long tons per milliliter.
Real-world example
1,000 dr/tsp × 3.538019e-7 = 0.0003538019 long ton/mL
1,000 drams per teaspoon = 0.0003538019 long tons per milliliter.
Conversion table
| Dram per Teaspoon (dr/tsp) | Long ton per Milliliter (long ton/mL) |
|---|---|
| 0.1 dr/tsp | 3.538019e-8 long ton/mL |
| 1 dr/tsp | 3.538019e-7 long ton/mL |
| 10 dr/tsp | 0.000003538 long ton/mL |
| 100 dr/tsp | 0.0000353802 long ton/mL |
| 1,000 dr/tsp | 0.0003538019 long ton/mL |
| 10,000 dr/tsp | 0.0035380186 long ton/mL |
Reverse conversion: Long ton per Milliliter to Dram per Teaspoon
3.538019e-7 long ton/mL × 2826440.799 = 1.000000125 dr/tsp
3.538019e-7 long tons per milliliter = 1.000000125 drams per teaspoon.
drams per teaspoon = long tons per milliliter × 2826440.79872
For a page dedicated to this direction, see Long ton per Milliliter to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Long ton per Milliliter (long ton/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per milliliter are in 1 dram per teaspoon?
1 dram per teaspoon equals 3.538019e-7 long tons per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to long ton per milliliter?
Multiply the dram per teaspoon value by 3.538019e-7. The converter above does this instantly to whatever precision you set.
How do I convert long ton per milliliter back to dram per teaspoon?
Use the reverse factor: 1 long ton per milliliter equals 2,826,440.799 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 long ton per milliliter?
Long ton per Milliliter (long ton/mL) is a unit of density.
Is the dram per teaspoon to long ton per milliliter conversion exact?
Yes. Both dram per teaspoon and long ton per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 3.538019e-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.