Mass per volume density.
Pounds per Quart to Drams per Quart Converter — lb/qt to dr/qt
Convert Pound per Quart (lb/qt) to Dram per Quart (dr/qt) using the exact conversion factor (1 pound per quart = 256 dram per quart). See the formula, worked examples, and conversion table.
Pounds per Quart to Drams 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 479.3057093 / 1.872287927.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Quart to Drams per Quart
Pound per Quart and Dram 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
drams per quart = pounds per quart × 256
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per quart equals 479.305709268 base units, and 1 dram per quart equals 1.87228792683 base units, so dividing one by the other gives the direct pound per quart-to-dram per quart factor of 256.
Simple example
1 lb/qt × 256 = 256 dr/qt
1 pound per quart = 256 drams per quart.
Real-world example
1,000 lb/qt × 256 = 256,000 dr/qt
1,000 pounds per quart = 256,000 drams per quart.
Conversion table
| Pound per Quart (lb/qt) | Dram per Quart (dr/qt) |
|---|---|
| 0.1 lb/qt | 25.6 dr/qt |
| 1 lb/qt | 256 dr/qt |
| 10 lb/qt | 2,560 dr/qt |
| 100 lb/qt | 25,600 dr/qt |
| 1,000 lb/qt | 256,000 dr/qt |
| 10,000 lb/qt | 2,560,000 dr/qt |
Reverse conversion: Dram per Quart to Pound per Quart
256 dr/qt × 0.00390625 = 1 lb/qt
256 drams per quart = 1 pound per quart.
pounds per quart = drams per quart × 0.00390625
For a page dedicated to this direction, see Dram per Quart to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Understanding the Dram per Quart (dr/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per quart are in 1 pound per quart?
1 pound per quart equals 256 drams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to dram per quart?
Multiply the pound per quart value by 256. The converter above does this instantly to whatever precision you set.
How do I convert dram per quart back to pound per quart?
Use the reverse factor: 1 dram per quart equals 0.00390625 pounds per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
What is a dram per quart?
Dram per Quart (dr/qt) is a unit of density.
Is the pound per quart to dram per quart conversion exact?
Yes. Both pound per quart and dram per quart are defined by fixed standards rather than physical artifacts, so the factor of 256 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.