Mass per volume density.
Drams per Cup to Long tons per Quart Converter — dr/cup to long ton/qt
Convert Dram per Cup (dr/cup) to Long ton per Quart (long ton/qt) using the exact conversion factor (1 dram per cup = 0.0000069754 long ton per quart). See the formula, worked examples, and conversion table.
Drams per Cup to Long tons per Quart 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 7.489151707 / 1.07364479e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Cup to Long tons per Quart
Dram per Cup and Long ton per Quart 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 quart = drams per cup × 0.00000697544642857
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cup equals 7.48915170731 base units, and 1 long ton per quart equals 1073644.78876 base units, so dividing one by the other gives the direct dram per cup-to-long ton per quart factor of 0.00000697544642857.
Simple example
1 dr/cup × 0.000006975446429 = 0.0000069754 long ton/qt
1 dram per cup = 0.0000069754 long tons per quart.
Real-world example
1,000 dr/cup × 0.000006975446429 = 0.0069754464 long ton/qt
1,000 drams per cup = 0.0069754464 long tons per quart.
Conversion table
| Dram per Cup (dr/cup) | Long ton per Quart (long ton/qt) |
|---|---|
| 0.1 dr/cup | 6.975446e-7 long ton/qt |
| 1 dr/cup | 0.0000069754 long ton/qt |
| 10 dr/cup | 0.0000697545 long ton/qt |
| 100 dr/cup | 0.0006975446 long ton/qt |
| 1,000 dr/cup | 0.0069754464 long ton/qt |
| 10,000 dr/cup | 0.0697544643 long ton/qt |
Reverse conversion: Long ton per Quart to Dram per Cup
0.0000069754 long ton/qt × 143360 = 0.999993344 dr/cup
0.0000069754 long tons per quart = 0.999993344 drams per cup.
drams per cup = long tons per quart × 143360
For a page dedicated to this direction, see Long ton per Quart to Dram per Cup.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Understanding the Long ton per Quart (long ton/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per quart are in 1 dram per cup?
1 dram per cup equals 0.0000069754 long tons per quart, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cup to long ton per quart?
Multiply the dram per cup value by 0.000006975446429. The converter above does this instantly to whatever precision you set.
How do I convert long ton per quart back to dram per cup?
Use the reverse factor: 1 long ton per quart equals 143,360 drams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
What is a long ton per quart?
Long ton per Quart (long ton/qt) is a unit of density.
Is the dram per cup to long ton per quart conversion exact?
Yes. Both dram per cup and long ton per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.000006975446429 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.