Mass per volume density.
Milligrams per Fluid ounce to Dram per Cubic inches Converter — mg/fl oz to dr/in3
Convert Milligram per Fluid ounce (mg/fl oz) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 milligram per fluid ounce = 0.0003127319 dram per cubic inch). See the formula, worked examples, and conversion table.
Milligrams per Fluid ounce to Dram per Cubic inches 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 / 108.1246278.
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 Dram per Cubic inches
Milligram per Fluid ounce and Dram per Cubic inch 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
dram per cubic inches = milligrams per fluid ounce × 0.000312731922393
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 cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct milligram per fluid ounce-to-dram per cubic inch factor of 0.000312731922393.
Simple example
1 mg/fl oz × 0.0003127319224 = 0.0003127319 dr/in3
1 milligram per fluid ounce = 0.0003127319 dram per cubic inches.
Real-world example
1,000 mg/fl oz × 0.0003127319224 = 0.3127319224 dr/in3
1,000 milligrams per fluid ounce = 0.3127319224 dram per cubic inches.
Conversion table
| Milligram per Fluid ounce (mg/fl oz) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 mg/fl oz | 0.0000312732 dr/in3 |
| 1 mg/fl oz | 0.0003127319 dr/in3 |
| 10 mg/fl oz | 0.0031273192 dr/in3 |
| 100 mg/fl oz | 0.0312731922 dr/in3 |
| 1,000 mg/fl oz | 0.3127319224 dr/in3 |
| 10,000 mg/fl oz | 3.127319224 dr/in3 |
Reverse conversion: Dram per Cubic inch to Milligram per Fluid ounce
0.0003127319 dr/in3 × 3197.626876 = 0.9999999284 mg/fl oz
0.0003127319 dram per cubic inches = 0.9999999284 milligrams per fluid ounce.
milligrams per fluid ounce = dram per cubic inches × 3197.62687592
For a page dedicated to this direction, see Dram per Cubic inch to Milligram per Fluid ounce.
Understanding the Milligram per Fluid ounce (mg/fl oz)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 milligram per fluid ounce?
1 milligram per fluid ounce equals 0.0003127319 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per fluid ounce to dram per cubic inch?
Multiply the milligram per fluid ounce value by 0.0003127319224. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to milligram per fluid ounce?
Use the reverse factor: 1 dram per cubic inch equals 3,197.626876 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 cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the milligram per fluid ounce to dram per cubic inch conversion exact?
Yes. Both milligram per fluid ounce and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.0003127319224 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.