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ML to OZ Converter

Convert milliliters to fluid ounces instantly, with separate US and UK fluid ounce results for bottles and recipes.

Metric Scale
mL
US Fluid
fl oz
Common Beverage Container Presets
Converted Result
250 mL = 8.4535 US fl oz
Liters
0.25 L
Cups
1.056 cups
Tablespoons
16.907 tbsp
Formula Reference

Milliliters to Fluid Ounces Formula

One US fluid ounce equals 29.5735 milliliters. To convert milliliters to US fluid ounces, multiply by 0.033814.

$$\text{Fluid Ounces (US)} = \text{Milliliters} \times 0.033814$$
View Full Formula, Step-by-Step Guide & Worked Examples
Culinary & Beverage Volume Guide

Understanding Milliliters (mL) & Fluid Ounces (fl oz)

Learn the precise liquid volume conversion ratios, coffee & espresso sizes, cocktail mixology proportions, and pharmaceutical dosage benchmarks.

Milliliters to Fluid Ounces Benchmarks

Quick reference table for coffee cups, beverage cans, water bottles, and spirits.

Beverage / Volume Benchmark Milliliters (mL) US Fluid Ounces (fl oz) UK Imperial fl oz
☕ Single Espresso Shot 30 mL 1.014 fl oz 1.056 fl oz
🥤 Standard Soda Can (355 mL) 355 mL 12.000 fl oz 12.494 fl oz
💧 Standard Water Bottle (500 mL) 500 mL 16.907 fl oz 17.598 fl oz
🍾 Standard Wine Bottle (750 mL) 750 mL 25.361 fl oz 26.396 fl oz
🥛 1 Liter Hydration Pitcher 1,000 mL 33.814 fl oz 35.195 fl oz

Culinary Kitchen Liquid Units

  • 1 Teaspoon (tsp) 4.93 mL (~5 mL)
  • 1 Tablespoon (tbsp) 14.79 mL (~15 mL)
  • 1 US Measuring Cup 236.59 mL (~240 mL)
  • 1 Metric Cup (International) 250.00 mL

US vs UK Fluid Ounce Differences

A US Fluid Ounce equals 29.5735 milliliters.

An Imperial UK Fluid Ounce equals 28.4131 milliliters (~4% smaller than a US fluid ounce).

Liquid Ounce vs Weight Ounce: Fluid ounces measure volume (space taken up by liquid), whereas avoirdupois ounces measure mass (weight).

Pro Tip: Quick Mental Approximation Shortcut

To quickly estimate milliliters to US fluid ounces in your head:
Divide the mL value by 30.

Example for 300 mL: Divide by 30 = 10 fluid ounces (Exact value is 10.14 fl oz!).

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Education

How Milliliter to Fluid Ounce Conversion Works

01

Two Different Fluid Ounce Formulas

This converter supports two fluid ounce standards: the US Fluid Ounce, where Fluid Ounces = Milliliters x 0.033814 (1 US fl oz = 29.5735295625 mL), and the UK Imperial Fluid Ounce, where Fluid Ounces = Milliliters x 0.035195 (1 UK fl oz = 28.4130625 mL). The US fluid ounce is about 4 percent larger than the UK Imperial fluid ounce.

02

Fluid Ounces vs Weight Ounces

Fluid ounces measure volume, the space a liquid occupies, while the more familiar avoirdupois ounce measures mass or weight, and the two units are not interchangeable. For example, 8 fluid ounces of water weighs about 8.34 ounces, but 8 fluid ounces of honey weighs over 11 ounces because honey is denser than water.

03

Worked Example: 750 mL Bottle to US Fluid Ounces

Convert a standard 750 mL wine or spirits bottle by multiplying 750 by 0.033814, which gives 25.36 US fluid ounces. Using the UK Imperial factor instead, the same 750 mL bottle equals about 26.40 UK fluid ounces.

04

When to Use This Converter

This tool is useful for scaling cocktail and cooking recipes, checking bottle and can sizes on nutrition labels, and measuring medicine or baby formula doses accurately. Use the Liter to Gallon Converter for larger liquid volumes, or the Weight Converter for dry ingredient measurements.

Good to know

Questions, answered

Quick answers about how this tool works.

1 mL equals 0.033814 US fluid ounces.

There are 29.5735 mL in 1 US fluid ounce.

500 mL is equal to 16.907 US fluid ounces.

250 mL is equal to 8.4535 US fl oz (approx 1 cup).

No. 1 fluid ounce is much larger than 1 mL (1 fl oz ≈ 29.57 mL).

100 mL is equal to 3.3814 US fl oz.

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