FREE ONLINE CONVERTER

US Fluid Ounces to US Cups Converter (fl oz to cup)

Convert us fluid ounces to us cups instantly with our free fl oz to cup calculator. Enter a value to see the result.

Result1 fl oz = 0.125 cup
⇄ Switch to US Cups to US Fluid Ounces
Quick answer: 1 us fluid ounces (fl oz) = 0.125 us cups (cup).

How to convert us fluid ounces to us cups

To change fl oz into cup, use this formula:

cup = fl oz × 0.125

Quick mental estimate: multiply by about 0.12.

Example: to convert 25 fl oz to cup, calculate 3.125 cup. To go the other way, use fl oz = cup ÷ 0.125.

Popular us fluid ounces to us cups conversions

US Fluid Ounces to US Cups conversion chart

US Fluid Ounces (fl oz)US Cups (cup)
1 fl oz0.125 cup
2 fl oz0.25 cup
5 fl oz0.625 cup
10 fl oz1.25 cup
20 fl oz2.5 cup
25 fl oz3.125 cup
50 fl oz6.25 cup
75 fl oz9.375 cup
100 fl oz12.5 cup
250 fl oz31.25 cup
500 fl oz62.5 cup
1,000 fl oz125 cup

When do you need fl oz to cup conversion?

This conversion is commonly used for cooking, baking, fuel, drinks and science. Different countries and industries use different units, so converting us fluid ounces to us cups helps you compare measurements accurately.

Frequently asked questions

How many us cups are in 1 us fluid ounces?

1 fl oz equals 0.125 cup.

How do I convert us fluid ounces to us cups?

Use the formula cup = fl oz × 0.125. For example, 25 fl oz = 3.125 cup.

What is 10 fl oz in cup?

10 fl oz = 1.25 cup.

What is 100 fl oz in cup?

100 fl oz = 12.5 cup.

How do I convert cup back to fl oz?

Use fl oz = cup ÷ 0.125. You can also use our US Cups to US Fluid Ounces converter.

Is this fl oz to cup converter accurate?

Yes. It uses standard international conversion factors and shows up to 6 significant digits.

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