Mass per volume density.
Long tons per Teaspoon to Drams per Cup Converter — long ton/tsp to dr/cup
Convert Long ton per Teaspoon (long ton/tsp) to Dram per Cup (dr/cup) using the exact conversion factor (1 long ton per teaspoon = 27,525,120 dram per cup). See the formula, worked examples, and conversion table.
Long tons per Teaspoon to Drams per Cup 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 2.06139799e+8 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Teaspoon to Drams per Cup
Long ton per Teaspoon and Dram per Cup 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
drams per cup = long tons per teaspoon × 27525120
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per teaspoon equals 206139799.442 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct long ton per teaspoon-to-dram per cup factor of 27525120.
Simple example
1 long ton/tsp × 27525120 = 27,525,120 dr/cup
1 long ton per teaspoon = 27,525,120 drams per cup.
Real-world example
1,000 long ton/tsp × 27525120 = 27,525,120,000 dr/cup
1,000 long tons per teaspoon = 27,525,120,000 drams per cup.
Conversion table
| Long ton per Teaspoon (long ton/tsp) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 long ton/tsp | 2,752,512 dr/cup |
| 1 long ton/tsp | 27,525,120 dr/cup |
| 10 long ton/tsp | 275,251,200 dr/cup |
| 100 long ton/tsp | 2,752,512,000 dr/cup |
| 1,000 long ton/tsp | 27,525,120,000 dr/cup |
| 10,000 long ton/tsp | 275,251,200,000 dr/cup |
Reverse conversion: Dram per Cup to Long ton per Teaspoon
1 dr/cup × 3.633045e-8 = 3.633045e-8 long ton/tsp
1 dram per cup = 3.633045e-8 long tons per teaspoon.
long tons per teaspoon = drams per cup × 3.633045e-8
For a page dedicated to this direction, see Dram per Cup to Long ton per Teaspoon.
Understanding the Long ton per Teaspoon (long ton/tsp)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 long ton per teaspoon?
1 long ton per teaspoon equals 27,525,120 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per teaspoon to dram per cup?
Multiply the long ton per teaspoon value by 27525120. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to long ton per teaspoon?
Use the reverse factor: 1 dram per cup equals 3.633045e-8 long tons per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per teaspoon?
Long ton per Teaspoon (long ton/tsp) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the long ton per teaspoon to dram per cup conversion exact?
Yes. Both long ton per teaspoon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 27525120 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.