Fluid Ounce to Cup Converter

Convert fluid ounces to cups instantly with our accurate and easy-to-use conversion tool.

fl oz
Result
0cup

Cup

Conversion Formula

Cup = Fluid Ounce × 0.125

Where:

  • fl oz = Fluid Ounce
  • cup = Cup

About Fluid Ounce

The fluid ounce (fl oz) is a unit of volumein the imperial system of measurement.

About Cup

The cup (cup) is a unit of volumein the imperial system of measurement.

How to Convert Fluid Ounce to Cup

To convert from fluid ounces to cups, use our converter above. Simply enter the value in fluid ouncesand get instant results in cups.

Quick Reference:

  • 1 fl oz = 0.125000 cup
  • 1 cup = 8.000000 fl oz

Common Fluid Ounce to Cup Conversions

1 fl oz
= 0.13 cup
5 fl oz
= 0.63 cup
10 fl oz
= 1.25 cup
25 fl oz
= 3.13 cup
50 fl oz
= 6.25 cup
100 fl oz
= 12.50 cup

Conversion Reference Table

Fluid Ounce (fl oz)Cup (cup)
10.125
20.25
30.375
40.5
50.625
101.25
151.875
202.5
253.125
506.25
759.375
10012.5
25031.25
50062.5
1,000125

Quick reference table showing common fluid ounces to cups conversions.

Real-World Volume Conversions

👨‍🍳

Cooking and Baking

Converting between cups, tablespoons, and milliliters when following international recipes. A US cup is 237ml, while metric recipes often use 250ml.

Fuel and Gas

Converting fuel efficiency (miles per gallon vs liters per 100km) and fuel tank capacity. US vehicles measure in gallons, while most countries use liters.

🥤

Beverages and Drinks

Soft drinks come in various sizes: 355ml cans (12 fl oz), 500ml bottles, 2-liter bottles, or gallon jugs. Understanding these conversions helps compare values.

🏊

Swimming Pools and Spas

Pool volume calculations for chemical treatments and water capacity. Pools are measured in gallons (US) or cubic meters/liters (elsewhere).

💊

Medical Dosing

Medication doses use milliliters (ml) or cubic centimeters (cc). Precise conversions are critical for safe medication administration.

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Aquariums and Fish Tanks

Tank capacity affects filtration, water changes, and fish stocking. Aquariums are sold in gallons (US) or liters depending on region.

Volume Conversion FAQs