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Cooking conversion
Cups of Vegetable Oil to Ounces
How many ounces are in cups of vegetable oil? Type a value below to see the result instantly. Cooking conversions depend on the density of each ingredient — the math here uses 0.921 g/mL for vegetable oil.
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1 cup of vegetable oil = 7.6861 oz
Cups of Vegetable Oil to Ounces Conversion Table
Common values for vegetable oil:
| Cups of vegetable oil | Ounces |
|---|---|
| 0.25 cup | 1.9215 oz |
| 0.5 cup | 3.8431 oz |
| 1 cup | 7.6861 oz |
| 2 cup | 15.3722 oz |
| 3 cup | 23.0583 oz |
| 4 cup | 30.7444 oz |
| 5 cup | 38.4305 oz |
| 8 cup | 61.4889 oz |
| 10 cup | 76.8611 oz |
How this works
Vegetable oil has a density of about 0.921 g/mL (usda fooddata central). That means 1 mL of vegetable oil weighs 0.921 grams.
Ounces = cups × 7.6861
Note: Includes canola, corn, soybean blends.
Why a cup of vegetable oil doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of vegetable oil can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.