Ounces to Cups Converter
Convert ounces to cups easily and accurately.
Enter Your Values
Table of Contents
Understanding Ounces to Cups Conversion
The Basics of Measurement Units
Converting between ounces and cups can be confusing because they measure different properties:
- Fluid ounces (fl oz) measure volume — the space that a liquid occupies.
- Dry ounces (oz) measure weight — how heavy an ingredient is.
- Cups measure volume for both liquids and dry ingredients.
Fluid Ounces to Cups Conversion
For liquid ingredients, the conversion is straightforward:
| Fluid Ounces | Cups | Tablespoons | Milliliters (Approx.) |
|---|---|---|---|
| 1 fl oz | 1/8 cup | 2 tbsp | 30 mL |
| 2 fl oz | 1/4 cup | 4 tbsp | 60 mL |
| 4 fl oz | 1/2 cup | 8 tbsp | 120 mL |
| 6 fl oz | 3/4 cup | 12 tbsp | 180 mL |
| 8 fl oz | 1 cup | 16 tbsp | 240 mL |
| 16 fl oz | 2 cups | 32 tbsp | 480 mL |
Dry Ounces to Cups Conversion
For dry ingredients, the conversion varies by ingredient density:
| Ingredient | Ounces per Cup |
|---|---|
| All-purpose flour | 4.5 oz |
| Granulated sugar | 7.1 oz |
| Brown sugar (packed) | 7.5 oz |
| Butter | 8 oz |
| Rolled oats | 3.6 oz |
| Chocolate chips | 6 oz |
Different Measuring Systems
Be aware of different measuring systems when using recipes from various countries:
- US Standard: 1 cup = 8 fluid ounces = 236.6 mL
- UK Imperial: 1 cup = 10 fluid ounces = 284.1 mL
- Metric: 1 cup = 250 mL
Proper Measuring Techniques
For Liquid Ingredients:
- Place the measuring cup on a flat surface
- Pour the liquid into the cup
- Bend down to eye level to check the measurement
- Read at the bottom of the meniscus (curved surface)
For Dry Ingredients:
- Fluff the ingredient to prevent packing
- Spoon the ingredient into a dry measuring cup
- Level off with a straight edge like a knife
- Do not tap or shake to compact (especially for flour)
For the most accurate results in baking, use a digital kitchen scale to measure ingredients by weight (ounces or grams) rather than by volume (cups).
How to Use the Converter
To convert ounces to cups, follow these steps:
-
1Enter the amount in ounces
-
2Click the "Convert" button
-
3View your converted amount in cups
8 ounces = 1 cup
Tips for Conversion
Tip 1 Common Conversions
Remember that 8 fluid ounces equals 1 cup. This is a standard conversion used in most recipes.
Tip 2 Liquid vs Dry
This converter is designed for fluid ounces. For dry ingredients, the conversion may vary based on the ingredient's density.
Common Ingredient-Specific Conversions
Baking Essentials
| Ingredient | 8 oz equals | 1 cup equals |
|---|---|---|
| All-purpose flour | 1¾ cups | 4.5 oz |
| Whole wheat flour | 1¾ cups | 4.6 oz |
| Granulated sugar | 1⅛ cups | 7.1 oz |
| Brown sugar (packed) | 1 cup + 1 tbsp | 7.5 oz |
| Powdered sugar (unsifted) | 1⅞ cups | 4.2 oz |
Dairy and Fats
| Ingredient | 8 oz equals | 1 cup equals |
|---|---|---|
| Butter | 1 cup | 8 oz (2 sticks) |
| Milk | 1 cup | 8.6 oz |
| Heavy cream | 1 cup | 8.4 oz |
| Sour cream | 1 cup | 8.1 oz |
| Vegetable oil | 1 cup | 7.7 oz |
Other Common Ingredients
| Ingredient | 8 oz equals | 1 cup equals |
|---|---|---|
| Honey | ⅔ cup | 12 oz |
| Maple syrup | ⅔ cup | 11 oz |
| Chocolate chips | 1⅓ cups | 6 oz |
| Rice (uncooked) | 1¼ cups | 6.5 oz |
| Rolled oats | 2¼ cups | 3.6 oz |
Important Note on Measuring Systems
Remember that recipes from different countries may use different measuring systems. US recipes typically use the US customary system, while recipes from other countries might use the metric system. Always check which system a recipe uses to ensure accurate measurements.