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US fluid ounce to US cup
Convert US fluid ounce to US cup and get the exact value instantly.
About this conversion
To convert US fluid ounce to US cup, multiply the number of US fluid ounce by 0.125.
Volume units divide between metric (liters, milliliters) and US customary (gallons, cups, fluid ounces), which trips up cooking, fuel figures and container sizing until you convert them.
Conversion table
| US fluid ounce (fl oz) | US cup (cup) |
|---|---|
| 1 fl oz | 0.125 cup |
| 2 fl oz | 0.25 cup |
| 5 fl oz | 0.625 cup |
| 10 fl oz | 1.25 cup |
| 100 fl oz | 12.5 cup |
How to use this converter
- Enter your US fluid ounce value
Type any number into the US fluid ounce field. It starts at 1 so you can read the rate straight away.
- Read the US cup result
The amount in US cup updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many US cup are in one US fluid ounce?
- One US fluid ounce equals 0.125 cup. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The US fluid ounce to US cup conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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