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Fl Oz to mL Converter

Convert US customary, US legal, or UK imperial fluid ounces to milliliters (and back). 1 US fl oz is approximately 29.5735 mL, and 1 UK fl oz is approximately 28.4131 mL. Includes liters, US tablespoons, teaspoons, cups, and tangible beverage and bottle references.

Convert

Greater than 0 and up to 1,000,000.

Equals

354.8824 mL

12 US fl oz entered, 0.3549 L total

US fl oz

12 fl oz

Milliliters

354.8824 mL

Liters

0.3549 L

US tablespoons

24 tbsp

US teaspoons

72 tsp

US cups

1.5 cups

Closest beverage and bottle sizes

  • 12 fl oz US = 1 can of Coke (355 mL)
  • 8.4 fl oz US = small Red Bull (250 mL)

Quick anchors: 1 US customary fl oz is approximately 29.5735 mL, 1 UK imperial fl oz is approximately 28.4131 mL, 1 US tbsp is approximately 14.7868 mL, and 1 US customary cup is approximately 236.5882 mL.

FDA nutrition labels use 30 mL per fluid ounce. UK imperial fluid ounces are about 4 percent smaller than US customary fluid ounces.

Frequently Asked Questions about the Fl Oz to mL Converter

How many milliliters are in a fluid ounce?
1 US fluid ounce equals exactly 29.5735295625 mL, or approximately 29.5735 mL when shortened. 1 UK imperial fluid ounce equals exactly 28.4130625 mL, or approximately 28.4131 mL when shortened. The US ounce is about 4 percent larger.
Why do US labels show rounded fluid-ounce values?
One US fluid ounce is 29.5735295625 mL. Product labels can round converted declarations under applicable labeling rules, but that does not create a separate legal fluid-ounce unit. Use the full customary factor for conversion and the printed label for the packaged amount.
Why does a UK pint hold more than a US pint?
Because the UK and US use different fluid ounce sizes inside differently sized pints. A US pint is 16 US fluid ounces, or approximately 473.18 mL. A UK pint is 20 UK imperial fluid ounces, or approximately 568.26 mL. The UK pint is about 20 percent larger overall.
What are common drink and bottle sizes in fl oz and mL?
Standard US Coke can: 12 fl oz = 355 mL. Small disposable water bottle: 16.9 fl oz = 500 mL. US pint glass (Starbucks Grande): 16 fl oz = 473 mL. Starbucks Venti hot: 20 fl oz = 591 mL. Standard wine bottle: 25.4 fl oz = 750 mL. Liter bottle: 33.8 fl oz = 1000 mL. 2 liter soda bottle: 67.6 fl oz = 2000 mL. Small Red Bull: 8.4 fl oz = 250 mL. Standard US liquor shot: 1.5 fl oz = 44 mL. The converter shows the two closest matches from this list for any mL value you enter.
How do I convert fluid ounces to US tablespoons, teaspoons, or cups?
Anchor each conversion to milliliters. A US customary cup is approximately 236.588 mL and equals exactly 8 US fluid ounces, 16 US customary tablespoons, or 48 US customary teaspoons. A US legal cup is exactly 240 mL, while a metric cup is exactly 250 mL. Check the source system instead of mixing cup and spoon standards.

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