Mass per volume density.
Drams per Teaspoon to Long tons per Gallon Converter — dr/tsp to long ton/gal
Convert Dram per Teaspoon (dr/tsp) to Long ton per Gallon (long ton/gal) using the exact conversion factor (1 dram per teaspoon = 0.0013392857 long ton per gallon). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Long tons 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 / 268411.1972.
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 Gallon
Dram per Teaspoon and Long ton 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
long tons per gallon = drams per teaspoon × 0.00133928571429
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 gallon equals 268411.19719 base units, so dividing one by the other gives the direct dram per teaspoon-to-long ton per gallon factor of 0.00133928571429.
Simple example
1 dr/tsp × 0.001339285714 = 0.0013392857 long ton/gal
1 dram per teaspoon = 0.0013392857 long tons per gallon.
Real-world example
1,000 dr/tsp × 0.001339285714 = 1.339285714 long ton/gal
1,000 drams per teaspoon = 1.339285714 long tons per gallon.
Conversion table
| Dram per Teaspoon (dr/tsp) | Long ton per Gallon (long ton/gal) |
|---|---|
| 0.1 dr/tsp | 0.0001339286 long ton/gal |
| 1 dr/tsp | 0.0013392857 long ton/gal |
| 10 dr/tsp | 0.0133928571 long ton/gal |
| 100 dr/tsp | 0.1339285714 long ton/gal |
| 1,000 dr/tsp | 1.339285714 long ton/gal |
| 10,000 dr/tsp | 13.39285714 long ton/gal |
Reverse conversion: Long ton per Gallon to Dram per Teaspoon
0.0013392857 long ton/gal × 746.6666667 = 0.9999999893 dr/tsp
0.0013392857 long tons per gallon = 0.9999999893 drams per teaspoon.
drams per teaspoon = long tons per gallon × 746.666666667
For a page dedicated to this direction, see Long ton per Gallon to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Long ton per Gallon (long ton/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per gallon are in 1 dram per teaspoon?
1 dram per teaspoon equals 0.0013392857 long tons per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to long ton per gallon?
Multiply the dram per teaspoon value by 0.001339285714. The converter above does this instantly to whatever precision you set.
How do I convert long ton per gallon back to dram per teaspoon?
Use the reverse factor: 1 long ton per gallon equals 746.6666667 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 gallon?
Long ton per Gallon (long ton/gal) is a unit of density.
Is the dram per teaspoon to long ton per gallon conversion exact?
Yes. Both dram per teaspoon and long ton per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.001339285714 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.