18.18 Ounces to Cups

18.18 fl oz = 2.2725 cup

Calculation: cup = 18.18 fl oz × 0.125 = 2.2725 cup

Ounce to Cup Converter

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How much is 18.18 fl oz?

538 mL (18 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

What does 18.18 fl oz look like?

Illustration of a wine bottle
538 mL (18 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

18.18 fl oz on the cup scale

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18.18 fl oz = 2.273 cup

Did you know? Water bottle (standard) is 500 mL.

The standard single-serve water bottle is 500 mL (16.9 fl oz), half a liter.

How to Convert Ounce to Cup

1 ounce = 18 cups

Cup = Ounce × 18

Example: 18.18 fl oz × 18 = 2.2725 cup

Reverse Conversion

To convert cups back to ounces:

  • Remember, 1 cup equals 8 ounces.
  • To convert 2.2725 cup to fl oz, multiply 2.2725 x 8, resulting in 18.18 fl oz.

18.18 fl oz is also equal to:

  • 537.65 milliliter
  • 0.53765 liter
  • 1.1363 pint
  • 0.56813 quart

Frequently Asked Questions

How much is 18.18 ounces in cups?

18.18 ounces equals 2.2725 cups. This is calculated by multiplying 18.18 by the conversion factor 0.125.

What does 18.18 ounces look like in cups?

18.18 ounces (2.2725 cups) is a pint to a quart — a large glass or a small bottle.

How do you calculate 18.18 ounces to cups?

Multiply 18.18 by the conversion factor 0.125. The calculation is 18.18 × 0.125 = 2.2725 cups. This factor is defined by international measurement standards.

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18.18 ounces = 2.2725 cups
18.18 ounces = 2.2725 cups — conversion chart

Nearby Conversions

2.18 ounces0.2725 cups 6.18 ounces0.7725 cups 10.18 ounces1.273 cups 14.18 ounces1.773 cups 22.18 ounces2.773 cups 26.18 ounces3.273 cups 30.18 ounces3.773 cups 34.18 ounces4.273 cups 38.18 ounces4.773 cups 42.18 ounces5.273 cups 46.18 ounces5.773 cups 50.18 ounces6.273 cups 54.18 ounces6.773 cups 58.18 ounces7.273 cups

For general conversions between ounces and cups, see the ounces to cups converter.

Also convert Ounces to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.