Fluid Ounce (water-equivalent) to Millilitre of Water

Free instant fluid ounce (water-equivalent) to millilitre of water converter. 1 fl oz = 29.5735 mL.

29.5735
Formula
1 fl oz = 29.5735 mL

Common Fluid Ounce (water-equivalent) to Millilitre of Water values

Common Fluid Ounce (water-equivalent) to Millilitre of Water conversion values.
Fluid Ounce (water-equivalent) (fl oz)Millilitre of Water (mL)
129.5735
5147.868
10295.735
25739.338
501478.68
1002957.35
50014786.8
100029573.5

How does Fluid Ounce (water-equivalent) to Millilitre of Water conversion work?

Type a value in the Fluid Ounce (water-equivalent) (fl oz) field and the equivalent in Millilitre of Water (mL) appears instantly to the right. The math uses the exact formula shown above โ€” no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.

Fluid Ounce (water-equivalent). 1 US fluid ounce = 29.574 mL = 2 tablespoons. Equivalent grams assume water density.

Millilitre of Water. For water, 1 millilitre weighs exactly 1 gram (the definition of the gram). True at standard pressure and 4ยฐC.

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๐ŸŽฏ Accurate conversions

Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.

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Frequently asked

What is the formula for converting Fluid Ounce (water-equivalent) to Millilitre of Water?+
The formula is: 1 fl oz = 29.5735 mL. Type any value into the calculator above and the result appears instantly.
How do I convert Millilitre of Water back to Fluid Ounce (water-equivalent)?+
Click the swap button (โ‡„) above to go to the Millilitre of Water โ†’ Fluid Ounce (water-equivalent) converter, or use the inverse formula derived from the one shown.
How accurate is the conversion?+
Conversion factors used here are exact rational values from NIST SP 811 and the BIPM SI brochure (e.g. 1 ft = 0.3048 m exactly, 1 lb = 0.45359237 kg exactly). Trailing-digit differences vs hand calculation come only from binary floating-point representation, never from the conversion factor itself.
Where do these conversion factors come from?+
Length and mass factors come from the 1959 international yard-and-pound agreement; SI base units (metre, kilogram, second, kelvin) come from the 2019 BIPM redefinition; energy and pressure factors are NIST SP 811 reference values. Each editorial section above lists the specific source for that category.
Can I copy the conversion factor for use elsewhere?+
Yes. The factor in the formula above is the exact rational value used internally; copying it into Excel or another tool reproduces the result to floating-point precision.

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