Ounces to Cups Converter
Convert fluid ounces to cups and cups to fluid ounces for cooking and baking
Volume Conversion Calculator
Enter the volume in fluid ounces
Enter the volume in cups
Conversion Results
Enter a value in either fluid ounces or cups to see the conversion
Common Conversions (US Legal Cup)
| Fluid Ounces | Cups (Decimal) | Cups (Fraction) |
|---|---|---|
| 1 fl oz | 0.125 | 1/8 cup |
| 2 fl oz | 0.25 | 1/4 cup |
| 3 fl oz | 0.375 | 3/8 cup |
| 4 fl oz | 0.5 | 1/2 cup |
| 5 fl oz | 0.625 | 5/8 cup |
| 6 fl oz | 0.75 | 3/4 cup |
| 7 fl oz | 0.875 | 7/8 cup |
| 8 fl oz | 1 | 1 cups |
| 16 fl oz | 2 | 2 cups |
| 24 fl oz | 3 | 3 cups |
| 32 fl oz | 4 | 4 cups |
| 40 fl oz | 5 | 5 cups |
Example Calculations
Example 1: Pancake Recipe
Question: A recipe calls for 2.5 cups of milk. How many fluid ounces is that?
Solution: 2.5 cups × 8 = 20 fl oz
Answer: 20 fluid ounces
Example 2: Baking Measurement
Question: How many cups is 6 fluid ounces?
Solution: 6 fl oz ÷ 8 = 0.75 cups = 3/4 cup
Answer: 3/4 cup
Example 3: Coffee Measurement
Question: A coffee maker needs 10 fluid ounces of water. How many cups is that?
Solution: 10 fl oz ÷ 8 = 1.25 cups = 1 1/4 cups
Answer: 1 1/4 cups
Quick Reference
1 Cup (US Legal)
8 fl oz
240 milliliters
1 Fluid Ounce
0.125 cups
1/8 cup or 30 ml
Conversion Formulas
Fluid Ounces to Cups:
cups = fl oz / 8
Cups to Fluid Ounces:
fl oz = cups × 8
Cup Types
US Legal Cup
240 ml (8 fl oz)
Metric Cup
250 ml (8.45 fl oz)
Imperial Cup
284 ml (9.61 fl oz)
Understanding Fluid Ounces to Cups Conversion
How to Convert Fluid Ounces to Cups
In the United States, the standard measurement for cooking is that 1 cup equals 8 fluid ounces. To convert any number of fluid ounces to cups, simply divide by 8.
The Conversion Process
- 1.Take the number of fluid ounces you want to convert
- 2.Divide by 8 (the number of fluid ounces in a cup)
- 3.The result is the equivalent in cups
Example: 16 fl oz ÷ 8 = 2 cups
Different Cup Standards
Not all cups are created equal! Different countries and contexts use different cup measurements:
Cup Measurements Worldwide
- •US Legal Cup: 240 ml (used in recipes and food labeling)
- •US Customary Cup: 236 ml (half a liquid pint)
- •Metric Cup: 250 ml (common in Australia and New Zealand)
- •Imperial Cup: 284 ml (half an imperial pint)
- •Japanese Cup: 200 ml (used for rice and sake)
Practical Cooking Tips
Common Kitchen Equivalents
- • 1 tablespoon = 0.5 fl oz
- • 2 tablespoons = 1 fl oz
- • 1/4 cup = 2 fl oz
- • 1/2 cup = 4 fl oz
- • 1 cup = 8 fl oz
- • 1 pint = 16 fl oz = 2 cups
Measurement Best Practices
- • Use liquid measuring cups for fluids
- • Measure at eye level for accuracy
- • Fill to the marked line, not above
- • Use dry measuring cups for dry ingredients
- • Keep measuring tools calibrated