Mass per volume density.
Drams per Fluid ounce to Milligrams per Milliliter Converter — dr/fl oz to mg/mL
Convert Dram per Fluid ounce (dr/fl oz) to Milligram per Milliliter (mg/mL) using the exact conversion factor (1 dram per fluid ounce = 59.91321366 milligram per milliliter). See the formula, worked examples, and conversion table.
Drams per Fluid ounce to Milligrams 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 59.91321366 / 1.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Fluid ounce to Milligrams per Milliliter
Dram per Fluid ounce and Milligram 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
milligrams per milliliter = drams per fluid ounce × 59.9132136584
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 milligram per milliliter equals 1 base unit, so dividing one by the other gives the direct dram per fluid ounce-to-milligram per milliliter factor of 59.9132136584.
Simple example
1 dr/fl oz × 59.91321366 = 59.91321366 mg/mL
1 dram per fluid ounce = 59.91321366 milligrams per milliliter.
Real-world example
1,000 dr/fl oz × 59.91321366 = 59,913.21366 mg/mL
1,000 drams per fluid ounce = 59,913.21366 milligrams per milliliter.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Milligram per Milliliter (mg/mL) |
|---|---|
| 0.1 dr/fl oz | 5.991321366 mg/mL |
| 1 dr/fl oz | 59.91321366 mg/mL |
| 10 dr/fl oz | 599.1321366 mg/mL |
| 100 dr/fl oz | 5,991.321366 mg/mL |
| 1,000 dr/fl oz | 59,913.21366 mg/mL |
| 10,000 dr/fl oz | 599,132.1366 mg/mL |
Reverse conversion: Milligram per Milliliter to Dram per Fluid ounce
59.91321366 mg/mL × 0.0166908089 = 1 dr/fl oz
59.91321366 milligrams per milliliter = 1 drams per fluid ounce.
drams per fluid ounce = milligrams per milliliter × 0.016690808904
For a page dedicated to this direction, see Milligram per Milliliter to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Understanding the Milligram per Milliliter (mg/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per milliliter are in 1 dram per fluid ounce?
1 dram per fluid ounce equals 59.91321366 milligrams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to milligram per milliliter?
Multiply the dram per fluid ounce value by 59.91321366. The converter above does this instantly to whatever precision you set.
How do I convert milligram per milliliter back to dram per fluid ounce?
Use the reverse factor: 1 milligram per milliliter equals 0.0166908089 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
What is a milligram per milliliter?
Milligram per Milliliter (mg/mL) is a unit of density.
Is the dram per fluid ounce to milligram per milliliter conversion exact?
Yes. Both dram per fluid ounce and milligram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 59.91321366 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.