Mass per volume density.
Milligrams per Fluid ounce to Drams per Milliliter Converter — mg/fl oz to dr/mL
Convert Milligram per Fluid ounce (mg/fl oz) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 milligram per fluid ounce = 0.0000190841 dram per milliliter). See the formula, worked examples, and conversion table.
Milligrams per Fluid ounce 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 0.0338140227 / 1771.845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Fluid ounce to Drams per Milliliter
Milligram per Fluid ounce 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 = milligrams per fluid ounce × 0.0000190840728024
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per fluid ounce equals 0.0338140227018 base units, and 1 dram per milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct milligram per fluid ounce-to-dram per milliliter factor of 0.0000190840728024.
Simple example
1 mg/fl oz × 0.0000190840728 = 0.0000190841 dr/mL
1 milligram per fluid ounce = 0.0000190841 drams per milliliter.
Real-world example
1,000 mg/fl oz × 0.0000190840728 = 0.0190840728 dr/mL
1,000 milligrams per fluid ounce = 0.0190840728 drams per milliliter.
Conversion table
| Milligram per Fluid ounce (mg/fl oz) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 mg/fl oz | 0.0000019084 dr/mL |
| 1 mg/fl oz | 0.0000190841 dr/mL |
| 10 mg/fl oz | 0.0001908407 dr/mL |
| 100 mg/fl oz | 0.0019084073 dr/mL |
| 1,000 mg/fl oz | 0.0190840728 dr/mL |
| 10,000 mg/fl oz | 0.190840728 dr/mL |
Reverse conversion: Dram per Milliliter to Milligram per Fluid ounce
0.0000190841 dr/mL × 52399.71626 = 1.000001425 mg/fl oz
0.0000190841 drams per milliliter = 1.000001425 milligrams per fluid ounce.
milligrams per fluid ounce = drams per milliliter × 52399.7162637
For a page dedicated to this direction, see Dram per Milliliter to Milligram per Fluid ounce.
Understanding the Milligram per Fluid ounce (mg/fl oz)
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 milligram per fluid ounce?
1 milligram per fluid ounce equals 0.0000190841 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per fluid ounce to dram per milliliter?
Multiply the milligram per fluid ounce value by 0.0000190840728. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to milligram per fluid ounce?
Use the reverse factor: 1 dram per milliliter equals 52,399.71626 milligrams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per fluid ounce?
Milligram per Fluid ounce (mg/fl oz) is a unit of density.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the milligram per fluid ounce to dram per milliliter conversion exact?
Yes. Both milligram per fluid ounce and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0000190840728 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.