Mass per volume density.
Drams per Quart to Pounds per Quart Converter — dr/qt to lb/qt
Convert Dram per Quart (dr/qt) to Pound per Quart (lb/qt) using the exact conversion factor (1 dram per quart = 0.00390625 pound per quart). See the formula, worked examples, and conversion table.
Drams per Quart to Pounds 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 1.872287927 / 479.3057093.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Quart to Pounds per Quart
Dram per Quart and Pound 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
pounds per quart = drams per quart × 0.00390625
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per quart equals 1.87228792683 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct dram per quart-to-pound per quart factor of 0.00390625.
Simple example
1 dr/qt × 0.00390625 = 0.00390625 lb/qt
1 dram per quart = 0.00390625 pounds per quart.
Real-world example
1,000 dr/qt × 0.00390625 = 3.90625 lb/qt
1,000 drams per quart = 3.90625 pounds per quart.
Conversion table
| Dram per Quart (dr/qt) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 dr/qt | 0.000390625 lb/qt |
| 1 dr/qt | 0.00390625 lb/qt |
| 10 dr/qt | 0.0390625 lb/qt |
| 100 dr/qt | 0.390625 lb/qt |
| 1,000 dr/qt | 3.90625 lb/qt |
| 10,000 dr/qt | 39.0625 lb/qt |
Reverse conversion: Pound per Quart to Dram per Quart
0.00390625 lb/qt × 256 = 1 dr/qt
0.00390625 pounds per quart = 1 dram per quart.
drams per quart = pounds per quart × 256
For a page dedicated to this direction, see Pound per Quart to Dram per Quart.
Understanding the Dram per Quart (dr/qt)
Mass per volume density.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per quart are in 1 dram per quart?
1 dram per quart equals 0.00390625 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert dram per quart to pound per quart?
Multiply the dram per quart value by 0.00390625. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to dram per quart?
Use the reverse factor: 1 pound per quart equals 256 drams per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per quart?
Dram per Quart (dr/qt) is a unit of density.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
Is the dram per quart to pound per quart conversion exact?
Yes. Both dram per quart and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.00390625 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.