Cups to Ounces
Convert us cup to ounce instantly. Type in either field — results update live.
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Cooking US Cup Ounce
1 us cup of all-purpose flour = 4.4092452437 ounces
Ingredient
Volume↔weight conversions depend on ingredient density. Approximate — weigh for precision.
Unit
Unit
Reference conversion table
Quick lookup for us cup to ounce (ingredient-independent).
| Cups | Ounce |
|---|---|
| ¼ cup | 1.1023113109 ounce |
| ⅓ cup | 1.4697484146 ounce |
| ½ cup | 2.2046226218 ounce |
| ⅔ cup | 2.9394968291 ounce |
| ¾ cup | 3.3069339328 ounce |
| 1 cup | 4.4092452437 ounce |
| 1½ cups | 6.6138678655 ounce |
| 2 cups | 8.8184904874 ounce |
| 3 cups | 13.2277357311 ounce |
How to convert us cup to ounce
This conversion crosses volume and weight, so it depends on the ingredient. We use a US cup = 236.5882 mL and all-purpose flour ≈ 125 g per US cup.
Formula:
grams = cups × 236.5882 × density, where density = 125 ÷ 236.5882 g/mL
Worked example: 1 us cup = 4.4092452437 ounce (Spoon-and-level; scooped can be 140–160 g).
Accuracy notes
- We use the US legal/customary cup = 236.5882 mL. Metric cups are 250 mL; UK/imperial cups are 284.131 mL — pick the matching unit in the dropdown when your recipe uses those standards.
- Flour: spoon-and-level (~125 g/cup for all-purpose) vs dip-and-scoop can reach 140–160 g. Pick the flour type that matches your recipe.
- Sugar: granulated, brown (packed), powdered, and caster sugar differ a lot — choose the exact ingredient in the selector.
- Sticky ingredients (honey, syrup, peanut butter): lightly grease your cup or use weight for best accuracy.
- All cooking conversions on this page are approximate — weigh for precision when baking matters.
Frequently asked questions
Why does cups to grams depend on the ingredient?
A cup measures volume, but grams measure mass. Different foods have different densities — 1 cup of flour weighs less than 1 cup of sugar. Select the ingredient that matches your recipe for a better estimate.
How many grams are in a cup of all-purpose flour?
For all-purpose flour, we use 125 g per US cup (236.5882 mL). So 1 us cup ≈ 4.4092452437 ounce. Approximate — weigh for precision.
Is a cup 240 mL or 236 mL?
We use the US cup = 236.5882 mL (US legal/customary). Some charts round to 240 mL; metric cups are 250 mL and UK cups are 284.131 mL. Pick the unit that matches your recipe.
Is this Cups to Ounces converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All us cup conversions
Jump to any cooking conversion starting from us cup — including the reverse direction and every other unit in our dataset.
ounce (oz) → us cup (cup)
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