31 Ounces to Cups

31 fl oz = 3.875 cup

Calculation: cup = 31 fl oz × 0.125 = 3.875 cup

Ounce to Cup Converter

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How much is 31 fl oz?

917 mL (31 fl oz) is about a kitchen measuring jug, holding about 1 liter.

What does 31 fl oz look like?

Illustration of a measuring jug
917 mL (31 fl oz) is about a kitchen measuring jug, holding about 1 liter.

31 fl oz on the cup scale

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31 fl oz = 3.875 cup

Did you know? One US quart is 946 mL.

1 US quart = 946 mL = 32 fl oz. The Imperial quart is larger at 1,136 mL.

How to Convert Ounce to Cup

1 ounce = 18 cups

Cup = Ounce × 18

Example: 31 fl oz × 18 = 3 78 cup

Reverse Conversion

To convert cups back to ounces:

  • Remember, 1 cup equals 8 ounces.
  • To convert 3 78 cup to fl oz, multiply 3 78 x 8, resulting in 31 fl oz.

31 fl oz is also equal to:

  • 916.78 milliliter
  • 0.91678 liter
  • 1 1516 pint
  • 3132 quart

Frequently Asked Questions

How much is 31 ounces in cups?

31 ounces equals 3.875 cups. This is calculated by multiplying 31 by the conversion factor 0.125.

What does 31 ounces look like in cups?

31 ounces (3.875 cups) is a pint to a quart — a large glass or a small bottle.

How do you calculate 31 ounces to cups?

Multiply 31 by the conversion factor 0.125. The calculation is 31 × 0.125 = 3.875 cups. This factor is defined by international measurement standards.

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31 ounces = 3.875 cups
31 ounces = 3.875 cups — conversion chart

Nearby Conversions

3 ounces0.375 cups 7 ounces0.875 cups 11 ounces1.375 cups 15 ounces1.875 cups 19 ounces2.375 cups 23 ounces2.875 cups 27 ounces3.375 cups 35 ounces4.375 cups 39 ounces4.875 cups 43 ounces5.375 cups 47 ounces5.875 cups 51 ounces6.375 cups 55 ounces6.875 cups 59 ounces7.375 cups 63 ounces7.875 cups 67 ounces8.375 cups 71 ounces8.875 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.