Convert Fluid ounces to Cups
Fluid ounces to cups — the exact ratio, a worked example and a live converter, all in your browser.
Result
Fluid ounces to Cups formula
This is a fixed ratio — it's the same for every ingredient:
cups = fluid ounces × 0.125
Worked example
1 fluid ounce = 0.125 cups.
Fluid ounces to Cups conversion table
| Fluid ounces | Cups |
|---|---|
| 0.25 | 0.031 |
| 0.5 | 0.063 |
| 1 | 0.125 |
| 2 | 0.25 |
| 4 | 0.5 |
| 8 | 1 |
Common uses
Handy for converting canned goods and beverage sizes listed in fluid ounces into cup measures for recipes.
Related conversions
Need a different pair or ingredient? Use the full cooking measurement converter.
Frequently asked questions
What is the formula to convert fluid ounces to cups?
Multiply the number of fluid ounces by 0.125 (cups = fluid ounces × 0.125). This ratio is fixed — it doesn't depend on the ingredient.
How many cups are in a fluid ounce?
One fluid ounce equals 0.125 cups (US customary sizes).
Which cup and spoon sizes does this use?
US customary sizes: 1 cup = 236.6 ml = 16 tablespoons = 48 teaspoons = 8 fluid ounces. Metric and imperial cups differ slightly.