US Fluid Ounces to Milliliters Calculator
Enter us fluid ounces to find milliliters. mL = fl oz × 29.5735295625.
How the result changes
Only us fluid ounces changes; all other inputs stay at your current values. The line illustrates the formula across the shown range. This is not a forecast of real-world outcomes.
About this calculation
Convert us fluid ounces (fl oz) to milliliters (mL) while preserving the underlying volume quantity. The calculator updates when the input changes and shows the conversion rule and a worked example.
Formula
mL = fl oz × 29.5735295625
Worked example
With US Fluid Ounces: 1 fl oz, milliliters is 29.57353 mL.
How to convert us fluid ounces to milliliters
Enter a value in us fluid ounces. Multiply it by the factor in the displayed formula to express the same quantity in milliliters. To reverse the relationship, divide by the same nonzero factor.
mL = fl oz × 29.5735295625. As a reference point, 10 fl oz equals 295.735296 mL with this conversion. This is an example, not a recommended level or target.
What the unit relationship means
US Fluid Ounces and milliliters measure three-dimensional capacity or occupied space. The numerical relationship is fixed for the units shown, but volume is not automatically the same as mass. If a recipe asks for the weight of flour or oil, converting fl oz to mL will still give a volume; converting it to grams requires the ingredient's density. For cubic units, the underlying length relationship is applied in three dimensions.
Check the direction of the result
As a scale check, one fl oz corresponds to 29.57353 mL. Doubling the input from 10 fl oz to 20 fl oz changes the calculated output from 295.735296 mL to 591.470591 mL. Ordinary factor conversions are proportional: zero maps to zero and doubling the input doubles the result. If a copied value does not follow this pattern, check the source unit, decimal point, and formula direction.
When this conversion is useful
Convert us fluid ounces and milliliters when comparing recipe quantities, measuring utensils, or beverage servings. The result is a volume, not the weight of an ingredient.
What to check
The customary units named here use US definitions. An imperial or metric cup, spoon, or fluid ounce may have a different volume; check the source recipe or container. In this direction the entered us fluid ounces is reported as milliliters; check both unit symbols when copying a figure from another source, because the reverse direction answers a different question.
Precision and reporting
A marked vessel or measuring spoon has its own tolerance. Exact unit factors cannot remove that uncertainty. In a recipe, rounding to a practical utensil size may be sensible; in an engineering calculation, preserve enough intermediate digits and state the final volume unit. For a separate reporting example, 7.3 fl oz produces 215.886766 mL. If 7.3 fl oz was an approximate reading, the converted digits should not be treated as a more accurate measurement.
Common questions
What is the reverse of us fluid ounces to milliliters?
To return from mL to fl oz, divide by the nonzero factor shown in this calculator's formula.
Inputs
- US Fluid Ounces (fl oz)