Mass per volume density.
Ounces per Quart to Drams per Fluid ounce Converter — oz/qt to dr/fl oz
Convert Ounce per Quart (oz/qt) to Dram per Fluid ounce (dr/fl oz) using the exact conversion factor (1 ounce per quart = 0.5 dram per fluid ounce). See the formula, worked examples, and conversion table.
Ounces per Quart to Drams per Fluid ounce 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 29.95660683 / 59.91321366.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Quart to Drams per Fluid ounce
Ounce per Quart and Dram per Fluid ounce 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 fluid ounce = ounces per quart × 0.5
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per quart equals 29.9566068292 base units, and 1 dram per fluid ounce equals 59.9132136584 base units, so dividing one by the other gives the direct ounce per quart-to-dram per fluid ounce factor of 0.5.
Simple example
1 oz/qt × 0.5 = 0.5 dr/fl oz
1 ounce per quart = 0.5 drams per fluid ounce.
Real-world example
1,000 oz/qt × 0.5 = 500 dr/fl oz
1,000 ounces per quart = 500 drams per fluid ounce.
Conversion table
| Ounce per Quart (oz/qt) | Dram per Fluid ounce (dr/fl oz) |
|---|---|
| 0.1 oz/qt | 0.05 dr/fl oz |
| 1 oz/qt | 0.5 dr/fl oz |
| 10 oz/qt | 5 dr/fl oz |
| 100 oz/qt | 50 dr/fl oz |
| 1,000 oz/qt | 500 dr/fl oz |
| 10,000 oz/qt | 5,000 dr/fl oz |
Reverse conversion: Dram per Fluid ounce to Ounce per Quart
0.5 dr/fl oz × 2 = 1 oz/qt
0.5 drams per fluid ounce = 1 ounce per quart.
ounces per quart = drams per fluid ounce × 2
For a page dedicated to this direction, see Dram per Fluid ounce to Ounce per Quart.
Understanding the Ounce per Quart (oz/qt)
Mass per volume density.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per fluid ounce are in 1 ounce per quart?
1 ounce per quart equals 0.5 drams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per quart to dram per fluid ounce?
Multiply the ounce per quart value by 0.5. The converter above does this instantly to whatever precision you set.
How do I convert dram per fluid ounce back to ounce per quart?
Use the reverse factor: 1 dram per fluid ounce equals 2 ounces per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per quart?
Ounce per Quart (oz/qt) is a unit of density.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
Is the ounce per quart to dram per fluid ounce conversion exact?
Yes. Both ounce per quart and dram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.5 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.