2.78 Ounces to Cups

2.78 fl oz = 0.3475 cup

Calculation: cup = 2.78 fl oz × 0.125 = 0.3475 cup

Ounce to Cup Converter

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How much is 2.78 fl oz?

82 mL (2.8 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

What does 2.78 fl oz look like?

Illustration of a demitasse cup
82 mL (2.8 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

2.78 fl oz on the cup scale

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2.78 fl oz = 0.3475 cup

How to Convert Ounce to Cup

1 ounce = 18 cups

Cup = Ounce × 18

Example: 2.78 fl oz × 18 = 0.3475 cup

Reverse Conversion

To convert cups back to ounces:

  • Remember, 1 cup equals 8 ounces.
  • To convert 0.3475 cup to fl oz, multiply 0.3475 x 8, resulting in 2.78 fl oz.

2.78 fl oz is also equal to:

  • 82.214 milliliter
  • 0.082214 liter
  • 0.17375 pint
  • 0.086875 quart

Frequently Asked Questions

How much is 2.78 ounces in cups?

2.78 ounces equals 0.3475 cups. This is calculated by multiplying 2.78 by the conversion factor 0.125.

What does 2.78 ounces look like in cups?

2.78 ounces (0.3475 cups) is a shot glass or a few tablespoons.

How do you calculate 2.78 ounces to cups?

Multiply 2.78 by the conversion factor 0.125. The calculation is 2.78 × 0.125 = 0.3475 cups. This factor is defined by international measurement standards.

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2.78 ounces = 0.3475 cups
2.78 ounces = 0.3475 cups — conversion chart

Nearby Conversions

0.78 ounces0.0975 cups 1.78 ounces0.2225 cups 3.78 ounces0.4725 cups 4.78 ounces0.5975 cups 5.78 ounces0.7225 cups 6.78 ounces0.8475 cups 7.78 ounces0.9725 cups 8.78 ounces1.098 cups 9.78 ounces1.223 cups 10.78 ounces1.348 cups 11.78 ounces1.473 cups 12.78 ounces1.598 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.