🧪 fl oz to cup — Fluid Ounce to US Cup Converter

Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.

Formula 1 fl oz = 0.125 cup
UnitNameValue
L Liter 0.0295735
mL Milliliter 29.5735
Cubic Meter 0.0000295735
gal(US) US Gallon 0.0078124959
gal(UK) UK Gallon 0.0065052606
qt US Quart 0.031249967
pt US Pint 0.0625
cup US Cup 0.125

About Fluid Ounce to US Cup Conversion

The Fluid Ounce (fl oz) and the US Cup (cup) are both units of volume. Converting between them is straightforward using the formula above.

Formula: 1 fl oz = 0.125 cup

This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.

Frequently Asked Questions

How do I convert Fluid Ounce to US Cup?

Use the converter above — enter your value in Fluid Ounce and the result appears instantly in US Cup. The formula is: 1 fl oz = 0.125 cup

How many US Cup are in 100 Fluid Ounce?

100 fl oz = 12.5 cup

What is 1 Fluid Ounce in US Cup?

1 fl oz = 0.125 cup

Is this Fluid Ounce to US Cup converter free?

Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.