Mass per volume density.
Troy ounces per Quart to Drams per Milliliter Converter — oz t/qt to dr/mL
Convert Troy ounce per Quart (oz t/qt) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 troy ounce per quart = 0.0185494067 dram per milliliter). See the formula, worked examples, and conversion table.
Troy ounces per Quart to Drams per Milliliter 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 32.86667721 / 1771.845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Quart to Drams per Milliliter
Troy ounce per Quart and Dram per Milliliter 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 milliliter = troy ounces per quart × 0.0185494067393
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per quart equals 32.8666772069 base units, and 1 dram per milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct troy ounce per quart-to-dram per milliliter factor of 0.0185494067393.
Simple example
1 oz t/qt × 0.01854940674 = 0.0185494067 dr/mL
1 troy ounce per quart = 0.0185494067 drams per milliliter.
Real-world example
1,000 oz t/qt × 0.01854940674 = 18.54940674 dr/mL
1,000 troy ounces per quart = 18.54940674 drams per milliliter.
Conversion table
| Troy ounce per Quart (oz t/qt) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 oz t/qt | 0.0018549407 dr/mL |
| 1 oz t/qt | 0.0185494067 dr/mL |
| 10 oz t/qt | 0.1854940674 dr/mL |
| 100 oz t/qt | 1.854940674 dr/mL |
| 1,000 oz t/qt | 18.54940674 dr/mL |
| 10,000 oz t/qt | 185.4940674 dr/mL |
Reverse conversion: Dram per Milliliter to Troy ounce per Quart
0.0185494067 dr/mL × 53.91007993 = 0.9999999979 oz t/qt
0.0185494067 drams per milliliter = 0.9999999979 troy ounces per quart.
troy ounces per quart = drams per milliliter × 53.9100799316
For a page dedicated to this direction, see Dram per Milliliter to Troy ounce per Quart.
Understanding the Troy ounce per Quart (oz t/qt)
Mass per volume density.
Understanding the Dram per Milliliter (dr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per milliliter are in 1 troy ounce per quart?
1 troy ounce per quart equals 0.0185494067 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per quart to dram per milliliter?
Multiply the troy ounce per quart value by 0.01854940674. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to troy ounce per quart?
Use the reverse factor: 1 dram per milliliter equals 53.91007993 troy ounces per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per quart?
Troy ounce per Quart (oz t/qt) is a unit of density.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the troy ounce per quart to dram per milliliter conversion exact?
Yes. Both troy ounce per quart and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.01854940674 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.