How many ounces are in a cup?

A cup is equivalent to around 8.3 fluid ounces. For dry ingredients, weight varies. Here is a list of examples.

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In the United States, a cup is typically equivalent to about 8.33 fluid ounces. However, this is a measure of volume and applies to fluid ounces. When you’re measuring dry ingredients, the weight in ounces of a cup can vary because different substances have different densities. For instance, a cup of flour weighs around 4.4 oz, a cup of sugar weighs around 7.1 oz, and a cup of butter weighs about 8 oz.

Here’s a list of various ingredients and their approximate weights in ounces for 1 cup:

  1. All-Purpose Flour: 4.25 oz

  2. Almond Flour: 3.38 oz

  3. Almond Meal: 3 oz

  4. Bread Flour: 4.48 oz

  5. Buckwheat Flour: 4.23 oz

  6. Cake Flour: 3.53 oz

  7. Chestnut Flour: 3.17 oz

  8. Coconut Flour: 3.95 oz

  9. Corn Flour: 5.29 oz

  10. Flax Meal: 3.67 oz

  11. Gluten-Free Flour: 4.3 oz

  12. Oat Flour: 3.17 oz

  13. Pastry Flour: 3.81 oz

  14. Potato Flour: 5.64 oz

  15. Rye Flour: 3.6 oz

  16. Self-Rising Flour: 4.41 oz

  17. Semolina Flour: 5.89 oz

  18. Soy Flour: 2.96 oz

  19. Spelt Flour: 3.6 oz

  20. Tapioca Starch or Flour: 4.3 oz

  21. White Rice Flour: 5.57 oz

  22. White Whole Wheat Flour: 4.57 oz

  23. Butter: 8 oz

  24. Granulated Sugar: 7.05 oz

  25. Brown Sugar (packed): 7.5 oz

  26. Powdered Sugar: 4.41 oz

Please note that these are approximate values and actual weights can vary based on the ingredient’s density and the method of filling the cup.

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