Mass per volume density.
Troy ounces per Milliliter to Drams per Quart Converter — oz t/mL to dr/qt
Convert Troy ounce per Milliliter (oz t/mL) to Dram per Quart (dr/qt) using the exact conversion factor (1 troy ounce per milliliter = 16,612.55 dram per quart). See the formula, worked examples, and conversion table.
Troy ounces per Milliliter 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 31103.4768 / 1.872287927.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Milliliter to Drams per Quart
Troy ounce per Milliliter 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 = troy ounces per milliliter × 16612.5500006
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per milliliter equals 31103.4768 base units, and 1 dram per quart equals 1.87228792683 base units, so dividing one by the other gives the direct troy ounce per milliliter-to-dram per quart factor of 16612.5500006.
Simple example
1 oz t/mL × 16612.55 = 16,612.55 dr/qt
1 troy ounce per milliliter = 16,612.55 drams per quart.
Real-world example
1,000 oz t/mL × 16612.55 = 16,612,550 dr/qt
1,000 troy ounces per milliliter = 16,612,550 drams per quart.
Conversion table
| Troy ounce per Milliliter (oz t/mL) | Dram per Quart (dr/qt) |
|---|---|
| 0.1 oz t/mL | 1,661.255 dr/qt |
| 1 oz t/mL | 16,612.55 dr/qt |
| 10 oz t/mL | 166,125.5 dr/qt |
| 100 oz t/mL | 1,661,255 dr/qt |
| 1,000 oz t/mL | 16,612,550 dr/qt |
| 10,000 oz t/mL | 166,125,500 dr/qt |
Reverse conversion: Dram per Quart to Troy ounce per Milliliter
1 dr/qt × 0.00006019545464 = 0.0000601955 oz t/mL
1 dram per quart = 0.0000601955 troy ounces per milliliter.
troy ounces per milliliter = drams per quart × 0.0000601954546389
For a page dedicated to this direction, see Dram per Quart to Troy ounce per Milliliter.
Understanding the Troy ounce per Milliliter (oz t/mL)
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 troy ounce per milliliter?
1 troy ounce per milliliter equals 16,612.55 drams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per milliliter to dram per quart?
Multiply the troy ounce per milliliter value by 16612.55. The converter above does this instantly to whatever precision you set.
How do I convert dram per quart back to troy ounce per milliliter?
Use the reverse factor: 1 dram per quart equals 0.0000601955 troy ounces per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per milliliter?
Troy ounce per Milliliter (oz t/mL) is a unit of density.
What is a dram per quart?
Dram per Quart (dr/qt) is a unit of density.
Is the troy ounce per milliliter to dram per quart conversion exact?
Yes. Both troy ounce per milliliter and dram per quart are defined by fixed standards rather than physical artifacts, so the factor of 16612.55 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.