Mass per volume density.
Drams per Pint to Long tons per Quart Converter — dr/pt to long ton/qt
Convert Dram per Pint (dr/pt) to Long ton per Quart (long ton/qt) using the exact conversion factor (1 dram per pint = 0.0000034877 long ton per quart). See the formula, worked examples, and conversion table.
Drams per Pint 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 3.744575854 / 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 Pint to Long tons per Quart
Dram per Pint 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 pint × 0.00000348772321429
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per pint equals 3.74457585365 base units, and 1 long ton per quart equals 1073644.78876 base units, so dividing one by the other gives the direct dram per pint-to-long ton per quart factor of 0.00000348772321429.
Simple example
1 dr/pt × 0.000003487723214 = 0.0000034877 long ton/qt
1 dram per pint = 0.0000034877 long tons per quart.
Real-world example
1,000 dr/pt × 0.000003487723214 = 0.0034877232 long ton/qt
1,000 drams per pint = 0.0034877232 long tons per quart.
Conversion table
| Dram per Pint (dr/pt) | Long ton per Quart (long ton/qt) |
|---|---|
| 0.1 dr/pt | 3.487723e-7 long ton/qt |
| 1 dr/pt | 0.0000034877 long ton/qt |
| 10 dr/pt | 0.0000348772 long ton/qt |
| 100 dr/pt | 0.0003487723 long ton/qt |
| 1,000 dr/pt | 0.0034877232 long ton/qt |
| 10,000 dr/pt | 0.0348772321 long ton/qt |
Reverse conversion: Long ton per Quart to Dram per Pint
0.0000034877 long ton/qt × 286720 = 0.999993344 dr/pt
0.0000034877 long tons per quart = 0.999993344 drams per pint.
drams per pint = long tons per quart × 286720
For a page dedicated to this direction, see Long ton per Quart to Dram per Pint.
Understanding the Dram per Pint (dr/pt)
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 pint?
1 dram per pint equals 0.0000034877 long tons per quart, using the exact defined conversion factor rather than an estimate.
How do I convert dram per pint to long ton per quart?
Multiply the dram per pint value by 0.000003487723214. The converter above does this instantly to whatever precision you set.
How do I convert long ton per quart back to dram per pint?
Use the reverse factor: 1 long ton per quart equals 286,720 drams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per pint?
Dram per Pint (dr/pt) 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 pint to long ton per quart conversion exact?
Yes. Both dram per pint and long ton per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.000003487723214 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.