Mass per volume density.
Pounds per Quart to Drams per Cup Converter — lb/qt to dr/cup
Convert Pound per Quart (lb/qt) to Dram per Cup (dr/cup) using the exact conversion factor (1 pound per quart = 64 dram per cup). See the formula, worked examples, and conversion table.
Pounds per Quart 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 479.3057093 / 7.489151707.
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 Cup
Pound per Quart 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 = pounds per quart × 64
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 cup equals 7.48915170731 base units, so dividing one by the other gives the direct pound per quart-to-dram per cup factor of 64.
Simple example
1 lb/qt × 64 = 64 dr/cup
1 pound per quart = 64 drams per cup.
Real-world example
1,000 lb/qt × 64 = 64,000 dr/cup
1,000 pounds per quart = 64,000 drams per cup.
Conversion table
| Pound per Quart (lb/qt) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 lb/qt | 6.4 dr/cup |
| 1 lb/qt | 64 dr/cup |
| 10 lb/qt | 640 dr/cup |
| 100 lb/qt | 6,400 dr/cup |
| 1,000 lb/qt | 64,000 dr/cup |
| 10,000 lb/qt | 640,000 dr/cup |
Reverse conversion: Dram per Cup to Pound per Quart
64 dr/cup × 0.015625 = 1 lb/qt
64 drams per cup = 1 pound per quart.
pounds per quart = drams per cup × 0.015625
For a page dedicated to this direction, see Dram per Cup to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
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 pound per quart?
1 pound per quart equals 64 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to dram per cup?
Multiply the pound per quart value by 64. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to pound per quart?
Use the reverse factor: 1 dram per cup equals 0.015625 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 cup?
Dram per Cup (dr/cup) is a unit of density.
Is the pound per quart to dram per cup conversion exact?
Yes. Both pound per quart and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 64 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.