Home › Unit Converters › Cups to OZ Converter

Cups to OZ Converter

Type a value in US cups to get US fluid ounces instantly, or type in the fluid ounces (US) box to convert back. The formula with your number, related units and full tables are below.

cup
fl oz
 

Step-by-step calculation

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    How to use the Cups to OZ Converter

    1. Type a value in the Cups (US) box. The fluid ounces (US) result appears instantly.
    2. Going the other way? Type in the Fluid ounces (US) box, or press the ⇄ swap button.
    3. Set the precision with the decimal places menu.
    4. Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

    Cups (US) to fluid ounces (US) formula

    fl oz = cup × 8
    1. Take the value in US cups.
    2. Multiply it by 8 (the number of US fluid ounces in one US cup).

    Example: 1 cup × 8 = 8 fl oz.

    Reverse formula (US fluid ounces to US cups): cup = fl oz ÷ 8. Example: 6 fl oz ÷ 8 = 0.75 cup.

    The factor is a whole number (8), so this one is easy to do in your head.

    cup to fl oz conversion table (1–100)

    Click any row to load it into the converter.

    Cups (US) to fluid ounces (US)

    Cups (US)Fluid ounces (US)
    1 cup8 fl oz
    2 cup16 fl oz
    3 cup24 fl oz
    4 cup32 fl oz
    5 cup40 fl oz
    6 cup48 fl oz
    7 cup56 fl oz
    8 cup64 fl oz
    9 cup72 fl oz
    10 cup80 fl oz
    11 cup88 fl oz
    12 cup96 fl oz
    13 cup104 fl oz
    14 cup112 fl oz
    15 cup120 fl oz
    16 cup128 fl oz
    17 cup136 fl oz
    18 cup144 fl oz
    19 cup152 fl oz
    20 cup160 fl oz
    21 cup168 fl oz
    22 cup176 fl oz
    23 cup184 fl oz
    24 cup192 fl oz
    25 cup200 fl oz
    26 cup208 fl oz
    27 cup216 fl oz
    28 cup224 fl oz
    29 cup232 fl oz
    30 cup240 fl oz
    31 cup248 fl oz
    32 cup256 fl oz
    33 cup264 fl oz
    34 cup272 fl oz
    35 cup280 fl oz
    36 cup288 fl oz
    37 cup296 fl oz
    38 cup304 fl oz
    39 cup312 fl oz
    40 cup320 fl oz
    41 cup328 fl oz
    42 cup336 fl oz
    43 cup344 fl oz
    44 cup352 fl oz
    45 cup360 fl oz
    46 cup368 fl oz
    47 cup376 fl oz
    48 cup384 fl oz
    49 cup392 fl oz
    50 cup400 fl oz
    51 cup408 fl oz
    52 cup416 fl oz
    53 cup424 fl oz
    54 cup432 fl oz
    55 cup440 fl oz
    56 cup448 fl oz
    57 cup456 fl oz
    58 cup464 fl oz
    59 cup472 fl oz
    60 cup480 fl oz
    61 cup488 fl oz
    62 cup496 fl oz
    63 cup504 fl oz
    64 cup512 fl oz
    65 cup520 fl oz
    66 cup528 fl oz
    67 cup536 fl oz
    68 cup544 fl oz
    69 cup552 fl oz
    70 cup560 fl oz
    71 cup568 fl oz
    72 cup576 fl oz
    73 cup584 fl oz
    74 cup592 fl oz
    75 cup600 fl oz
    76 cup608 fl oz
    77 cup616 fl oz
    78 cup624 fl oz
    79 cup632 fl oz
    80 cup640 fl oz
    81 cup648 fl oz
    82 cup656 fl oz
    83 cup664 fl oz
    84 cup672 fl oz
    85 cup680 fl oz
    86 cup688 fl oz
    87 cup696 fl oz
    88 cup704 fl oz
    89 cup712 fl oz
    90 cup720 fl oz
    91 cup728 fl oz
    92 cup736 fl oz
    93 cup744 fl oz
    94 cup752 fl oz
    95 cup760 fl oz
    96 cup768 fl oz
    97 cup776 fl oz
    98 cup784 fl oz
    99 cup792 fl oz
    100 cup800 fl oz

    Fluid ounces (US) to cups (US)

    Fluid ounces (US)Cups (US)
    1 fl oz0.12 cup
    2 fl oz0.25 cup
    3 fl oz0.38 cup
    4 fl oz0.5 cup
    5 fl oz0.62 cup
    6 fl oz0.75 cup
    7 fl oz0.88 cup
    8 fl oz1 cup
    9 fl oz1.12 cup
    10 fl oz1.25 cup
    11 fl oz1.38 cup
    12 fl oz1.5 cup
    13 fl oz1.62 cup
    14 fl oz1.75 cup
    15 fl oz1.88 cup
    16 fl oz2 cup
    17 fl oz2.12 cup
    18 fl oz2.25 cup
    19 fl oz2.38 cup
    20 fl oz2.5 cup
    21 fl oz2.62 cup
    22 fl oz2.75 cup
    23 fl oz2.88 cup
    24 fl oz3 cup
    25 fl oz3.12 cup
    26 fl oz3.25 cup
    27 fl oz3.38 cup
    28 fl oz3.5 cup
    29 fl oz3.62 cup
    30 fl oz3.75 cup
    31 fl oz3.88 cup
    32 fl oz4 cup
    33 fl oz4.12 cup
    34 fl oz4.25 cup
    35 fl oz4.38 cup
    36 fl oz4.5 cup
    37 fl oz4.62 cup
    38 fl oz4.75 cup
    39 fl oz4.88 cup
    40 fl oz5 cup
    41 fl oz5.12 cup
    42 fl oz5.25 cup
    43 fl oz5.38 cup
    44 fl oz5.5 cup
    45 fl oz5.62 cup
    46 fl oz5.75 cup
    47 fl oz5.88 cup
    48 fl oz6 cup
    49 fl oz6.12 cup
    50 fl oz6.25 cup
    51 fl oz6.38 cup
    52 fl oz6.5 cup
    53 fl oz6.62 cup
    54 fl oz6.75 cup
    55 fl oz6.88 cup
    56 fl oz7 cup
    57 fl oz7.12 cup
    58 fl oz7.25 cup
    59 fl oz7.38 cup
    60 fl oz7.5 cup
    61 fl oz7.62 cup
    62 fl oz7.75 cup
    63 fl oz7.88 cup
    64 fl oz8 cup
    65 fl oz8.12 cup
    66 fl oz8.25 cup
    67 fl oz8.38 cup
    68 fl oz8.5 cup
    69 fl oz8.62 cup
    70 fl oz8.75 cup
    71 fl oz8.88 cup
    72 fl oz9 cup
    73 fl oz9.12 cup
    74 fl oz9.25 cup
    75 fl oz9.38 cup
    76 fl oz9.5 cup
    77 fl oz9.62 cup
    78 fl oz9.75 cup
    79 fl oz9.88 cup
    80 fl oz10 cup
    81 fl oz10.12 cup
    82 fl oz10.25 cup
    83 fl oz10.38 cup
    84 fl oz10.5 cup
    85 fl oz10.62 cup
    86 fl oz10.75 cup
    87 fl oz10.88 cup
    88 fl oz11 cup
    89 fl oz11.12 cup
    90 fl oz11.25 cup
    91 fl oz11.38 cup
    92 fl oz11.5 cup
    93 fl oz11.62 cup
    94 fl oz11.75 cup
    95 fl oz11.88 cup
    96 fl oz12 cup
    97 fl oz12.12 cup
    98 fl oz12.25 cup
    99 fl oz12.38 cup
    100 fl oz12.5 cup

    Common values

    Cups (US)Fluid ounces (US)Example
    0.12 cup1 fl oz1/8 cup (2 tbsp)
    0.25 cup2 fl oz1/4 cup
    0.33 cup2.67 fl oz1/3 cup
    0.5 cup4 fl oz1/2 cup
    0.67 cup5.33 fl oz2/3 cup
    0.75 cup6 fl oz3/4 cup
    1 cup8 fl oz1 cup
    1.5 cup12 fl oz1 1/2 cups
    2 cup16 fl oz1 pint
    3 cup24 fl oz3 cups
    4 cup32 fl oz1 quart
    16 cup128 fl oz1 gallon

    About cups (US) and fluid ounces (US)

    Cups (US) (cup). The US customary cup is 8 US fluid ounces, about 236.6 mL. Nutrition labels use a 240 mL 'legal cup', and many other countries use a 250 mL metric cup.

    Fluid ounces (US) (fl oz). The US fluid ounce is 1/128 of a US gallon, about 29.57 mL. The UK imperial fluid ounce is slightly smaller at about 28.41 mL.

    Frequently asked questions

    How many US fluid ounces are in a US cup?

    One US cup equals 8 US fluid ounces. These are US customary measures.

    How do you convert US cups to US fluid ounces?

    Multiply the number of US cups by 8. For example, 1 cup × 8 = 8 fl oz.

    What is 0.75 US cups in US fluid ounces?

    0.75 cup is 6 fl oz (3/4 cup).

    How much is 4 US cups in US fluid ounces?

    4 US cups equals 32 US fluid ounces.

    How do I convert US fluid ounces back to US cups?

    Divide by 8, or press the ⇄ swap button above. For example, 6 fl oz ÷ 8 = 0.75 cup.

    How big is a cup in milliliters?

    It depends on the country. A US customary cup is 236.6 mL, the 'legal' cup on US nutrition labels is 240 mL, and the metric cup used in Australia, Canada and many recipes is 250 mL. This converter uses the US customary cup.

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