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Cooking conversion
Ounces of Olive Oil to Cups
How many cups of olive oil are in a given weight? Type a number of ounces below to see the volume. Math uses olive oil's density of 0.913 g/mL.
Calculator
100 oz of olive oil = 13.1245 cup
Ounces of Olive Oil to Cups Conversion Table
Common values for olive oil:
| Ounces of olive oil | Cups |
|---|---|
| 10 oz | 1.3124 cup |
| 25 oz | 3.2811 cup |
| 50 oz | 6.5622 cup |
| 100 oz | 13.1245 cup |
| 150 oz | 19.6867 cup |
| 200 oz | 26.249 cup |
| 250 oz | 32.8112 cup |
| 500 oz | 65.6224 cup |
| 1000 oz | 131.24 cup |
How this works
Olive oil has a density of about 0.913 g/mL (usda fooddata central). That means 1 mL of olive oil weighs 0.913 grams.
Cups = ounces × 0.1312
Note: Extra virgin or refined; both within 0.91-0.92 g/mL.
Why a cup of olive oil doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of olive 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 (0.913 g/mL) 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.
Sourced from USDA FoodData Central. Extra virgin or refined; both within 0.91-0.92 g/mL.
Volume vs weight in cooking
The American convention of measuring ingredients by volume (cups, tablespoons, teaspoons) is convenient but introduces variability that doesn't exist in weight-based recipes. Most professional bakers and bakeries weigh ingredients to within a gram because the structure of baked goods depends on precise ingredient ratios. For everyday cooking — soups, sauces, sautés — the volume-to-weight imprecision rarely matters. For baking that depends on rising or texture (cakes, breads, laminated doughs), it matters a lot.
The conversion
Multiplying the volume of olive oil by its density (0.913 g/mL) gives the weight in grams. The calculator at the top of this page does the math automatically; the formula box above shows the resulting linear factor for the specific volume and weight units selected here.