Mass per volume density.
Drams per Milliliter to Troy ounces per Fluid ounce Converter — dr/mL to oz t/fl oz
Convert Dram per Milliliter (dr/mL) to Troy ounce per Fluid ounce (oz t/fl oz) using the exact conversion factor (1 dram per milliliter = 1.684689998 troy ounce per fluid ounce). See the formula, worked examples, and conversion table.
Drams per Milliliter to Troy ounces 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 1771.845195 / 1051.733671.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Milliliter to Troy ounces per Fluid ounce
Dram per Milliliter and Troy ounce 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
troy ounces per fluid ounce = drams per milliliter × 1.68468999786
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per milliliter equals 1771.84519531 base units, and 1 troy ounce per fluid ounce equals 1051.73367062 base units, so dividing one by the other gives the direct dram per milliliter-to-troy ounce per fluid ounce factor of 1.68468999786.
Simple example
1 dr/mL × 1.684689998 = 1.684689998 oz t/fl oz
1 dram per milliliter = 1.684689998 troy ounces per fluid ounce.
Real-world example
1,000 dr/mL × 1.684689998 = 1,684.689998 oz t/fl oz
1,000 drams per milliliter = 1,684.689998 troy ounces per fluid ounce.
Conversion table
| Dram per Milliliter (dr/mL) | Troy ounce per Fluid ounce (oz t/fl oz) |
|---|---|
| 0.1 dr/mL | 0.1684689998 oz t/fl oz |
| 1 dr/mL | 1.684689998 oz t/fl oz |
| 10 dr/mL | 16.84689998 oz t/fl oz |
| 100 dr/mL | 168.4689998 oz t/fl oz |
| 1,000 dr/mL | 1,684.689998 oz t/fl oz |
| 10,000 dr/mL | 16,846.89998 oz t/fl oz |
Reverse conversion: Troy ounce per Fluid ounce to Dram per Milliliter
1.684689998 oz t/fl oz × 0.5935810157 = 1 dr/mL
1.684689998 troy ounces per fluid ounce = 1 drams per milliliter.
drams per milliliter = troy ounces per fluid ounce × 0.593581015657
For a page dedicated to this direction, see Troy ounce per Fluid ounce to Dram per Milliliter.
Understanding the Dram per Milliliter (dr/mL)
Mass per volume density.
Understanding the Troy ounce per Fluid ounce (oz t/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many troy ounces per fluid ounce are in 1 dram per milliliter?
1 dram per milliliter equals 1.684689998 troy ounces per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per milliliter to troy ounce per fluid ounce?
Multiply the dram per milliliter value by 1.684689998. The converter above does this instantly to whatever precision you set.
How do I convert troy ounce per fluid ounce back to dram per milliliter?
Use the reverse factor: 1 troy ounce per fluid ounce equals 0.5935810157 drams per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
What is a troy ounce per fluid ounce?
Troy ounce per Fluid ounce (oz t/fl oz) is a unit of density.
Is the dram per milliliter to troy ounce per fluid ounce conversion exact?
Yes. Both dram per milliliter and troy ounce per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 1.684689998 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.