Mass per volume density.
Ounces per Fluid ounce to Ounces per Milliliter Converter — oz/fl oz to oz/mL
Convert Ounce per Fluid ounce (oz/fl oz) to Ounce per Milliliter (oz/mL) using the exact conversion factor (1 ounce per fluid ounce = 0.0338140227 ounce per milliliter). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Ounces 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 958.6114185 / 28349.52313.
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 Ounces per Milliliter
Ounce per Fluid ounce and Ounce 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
ounces per milliliter = ounces per fluid ounce × 0.0338140227018
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 ounce per milliliter equals 28349.523125 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-ounce per milliliter factor of 0.0338140227018.
Simple example
1 oz/fl oz × 0.0338140227 = 0.0338140227 oz/mL
1 ounce per fluid ounce = 0.0338140227 ounces per milliliter.
Real-world example
1,000 oz/fl oz × 0.0338140227 = 33.8140227 oz/mL
1,000 ounces per fluid ounce = 33.8140227 ounces per milliliter.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Ounce per Milliliter (oz/mL) |
|---|---|
| 0.1 oz/fl oz | 0.0033814023 oz/mL |
| 1 oz/fl oz | 0.0338140227 oz/mL |
| 10 oz/fl oz | 0.338140227 oz/mL |
| 100 oz/fl oz | 3.38140227 oz/mL |
| 1,000 oz/fl oz | 33.8140227 oz/mL |
| 10,000 oz/fl oz | 338.140227 oz/mL |
Reverse conversion: Ounce per Milliliter to Ounce per Fluid ounce
0.0338140227 oz/mL × 29.57352956 = 0.9999999999 oz/fl oz
0.0338140227 ounces per milliliter = 0.9999999999 ounces per fluid ounce.
ounces per fluid ounce = ounces per milliliter × 29.5735295625
For a page dedicated to this direction, see Ounce per Milliliter to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Ounce per Milliliter (oz/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per milliliter are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 0.0338140227 ounces per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to ounce per milliliter?
Multiply the ounce per fluid ounce value by 0.0338140227. The converter above does this instantly to whatever precision you set.
How do I convert ounce per milliliter back to ounce per fluid ounce?
Use the reverse factor: 1 ounce per milliliter equals 29.57352956 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 ounce per milliliter?
Ounce per Milliliter (oz/mL) is a unit of density.
Is the ounce per fluid ounce to ounce per milliliter conversion exact?
Yes. Both ounce per fluid ounce and ounce per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0338140227 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.