How Much Is 8 Fluid Ounces of Vegetable Oil in Ounces?
8 fluid ounces of vegetable oil weighs 7.69 oz. This is based on vegetable oil having a density of 218g per cup. Because fluid ounces measure volume and ounces measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 8 fluid ounces.
Formula and Step-by-Step
- Start with 8 fluid ounces of vegetable oil
- 1 fluid ounce of vegetable oil = 27.25g
- 8 × 27.25 = 218g
- Convert grams to ounces: 218 ÷ 28.3495 = 7.69 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Liquid densities vary: oils weigh less per cup than water, while syrups and honey weigh more. This is why ingredient-specific conversions matter even for liquids.
Vegetable Oil at Different Amounts
How vegetable oil scales across common fluid ounces measurements. Your amount (8 fluid ounces) is highlighted.
For reference, 8 fluid ounces of vegetable oil (218g) is close in weight to a large apple (220g).
Other Amounts of Vegetable Oil
| Fluid Ounces | US Ounces | UK Fluid Ounce |
|---|---|---|
| 1 fluid ounce | 0.96 oz | 0.92 oz |
| 2 fluid ounces | 1.92 oz | 1.85 oz |
| 3 fluid ounces | 2.88 oz | 2.77 oz |
| 4 fluid ounces | 3.84 oz | 3.69 oz |
| 5 fluid ounces | 4.81 oz | 4.62 oz |
| 6 fluid ounces | 5.77 oz | 5.54 oz |
| 8 fluid ounces | 7.69 oz | 7.39 oz |
| 10 fluid ounces | 9.61 oz | 9.23 oz |
| 12 fluid ounces | 11.53 oz | 11.08 oz |
| 16 fluid ounces | 15.38 oz | 14.78 oz |
Understanding the Units
What is a Fluid Ounce?
There are 8 fluid ounces in a US cup and 128 fluid ounces in a US gallon. The UK fluid ounce is slightly smaller (28.413 ml vs 29.574 ml), so UK and US recipes using fluid ounces will differ slightly.
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.