Mass per volume density.
Ounces per Fluid ounce to Milligrams per Fluid ounce Converter — oz/fl oz to mg/fl oz
Convert Ounce per Fluid ounce (oz/fl oz) to Milligram per Fluid ounce (mg/fl oz) using the exact conversion factor (1 ounce per fluid ounce = 28,349.52313 milligram per fluid ounce). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Milligrams 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 958.6114185 / 0.0338140227.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Fluid ounce to Milligrams per Fluid ounce
Ounce per Fluid ounce and Milligram 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
milligrams per fluid ounce = ounces per fluid ounce × 28349.523125
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per fluid ounce equals 958.611418535 base units, and 1 milligram per fluid ounce equals 0.0338140227018 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-milligram per fluid ounce factor of 28349.523125.
Simple example
1 oz/fl oz × 28349.52313 = 28,349.52313 mg/fl oz
1 ounce per fluid ounce = 28,349.52313 milligrams per fluid ounce.
Real-world example
1,000 oz/fl oz × 28349.52313 = 28,349,523.13 mg/fl oz
1,000 ounces per fluid ounce = 28,349,523.13 milligrams per fluid ounce.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Milligram per Fluid ounce (mg/fl oz) |
|---|---|
| 0.1 oz/fl oz | 2,834.952313 mg/fl oz |
| 1 oz/fl oz | 28,349.52313 mg/fl oz |
| 10 oz/fl oz | 283,495.2313 mg/fl oz |
| 100 oz/fl oz | 2,834,952.313 mg/fl oz |
| 1,000 oz/fl oz | 28,349,523.13 mg/fl oz |
| 10,000 oz/fl oz | 283,495,231.3 mg/fl oz |
Reverse conversion: Milligram per Fluid ounce to Ounce per Fluid ounce
1 mg/fl oz × 0.00003527396195 = 0.000035274 oz/fl oz
1 milligram per fluid ounce = 0.000035274 ounces per fluid ounce.
ounces per fluid ounce = milligrams per fluid ounce × 0.0000352739619496
For a page dedicated to this direction, see Milligram per Fluid ounce to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Milligram per Fluid ounce (mg/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per fluid ounce are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 28,349.52313 milligrams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to milligram per fluid ounce?
Multiply the ounce per fluid ounce value by 28349.52313. The converter above does this instantly to whatever precision you set.
How do I convert milligram per fluid ounce back to ounce per fluid ounce?
Use the reverse factor: 1 milligram per fluid ounce equals 0.000035274 ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of density.
What is a milligram per fluid ounce?
Milligram per Fluid ounce (mg/fl oz) is a unit of density.
Is the ounce per fluid ounce to milligram per fluid ounce conversion exact?
Yes. Both ounce per fluid ounce and milligram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 28349.52313 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.