Vegetable Oil Ounces to Cups
Convert any amount of vegetable oil between ounces and cups. 1 ounce of vegetable oil equals 0.13 cups. Use the calculator for custom amounts, or choose an amount below.
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Common vegetable oil measurements found in recipes.
Other Units for Vegetable Oil
Convert vegetable oil from ounces to other units. Each link has its own calculator and conversion amounts.
Similar Ingredients
Measuring Tip
Oils are lighter than water, so the same volume weighs less. Pour slowly into the measuring cup for accuracy, and wipe any drips from the outside before reading.
Understanding the Units
What is an Ounce?
Weight ounces and fluid ounces are different measurements. A fluid ounce measures volume (29.574 ml), while an ounce measures weight (28.35g). They only align for water, where 1 fl oz weighs approximately 1 oz.
What is a Cup?
There are three cup standards used worldwide. The US cup (236.588 ml) is used in American recipes. The metric cup (250 ml) is standard in Australia, New Zealand, and some parts of Asia. The imperial cup (284.131 ml) appears in older British and Canadian recipes. A metric cup holds about 5.7% more than a US cup, while an imperial cup holds about 20% more. Using the wrong standard can noticeably affect a recipe.
Frequently Asked Questions
1 ounce of vegetable oil is 0.13 cups. The conversion depends on the density of vegetable oil and scales proportionally for any amount.
If you have a kitchen scale, weighing vegetable oil gives you an exact starting point for this conversion. If you need to measure by volume instead, use a liquid measuring cup on a flat surface and read the level at eye height.
Very close. Pure liquid densities are consistent across brands, so the ounces to cups conversion for vegetable oil typically varies by less than 2-3%.
The same weight of different ingredients fills different volumes because each ingredient has a different density. An ounce of vegetable oil fills a different number of cups than an ounce of a lighter or heavier ingredient. That is why this converter needs to know which ingredient you are measuring.