How Much Is 8 Fluid Ounces of Olive Oil in Ounces?
8 fluid ounces of olive oil weighs 7.62 oz. This is based on olive oil having a density of 216g 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 olive oil
- 1 fluid ounce of olive oil = 27g
- 8 × 27 = 216g
- Convert grams to ounces: 216 ÷ 28.3495 = 7.62 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
For liquids, place your measuring cup on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.
Olive Oil at Different Amounts
How olive oil scales across common fluid ounces measurements. Your amount (8 fluid ounces) is highlighted.
For reference, 8 fluid ounces of olive oil (216g) is close in weight to a large apple (220g).
Other Amounts of Olive Oil
| Fluid Ounces | US Ounces | UK Fluid Ounce |
|---|---|---|
| 1 fluid ounce | 0.95 oz | 0.92 oz |
| 2 fluid ounces | 1.90 oz | 1.83 oz |
| 3 fluid ounces | 2.86 oz | 2.75 oz |
| 4 fluid ounces | 3.81 oz | 3.66 oz |
| 5 fluid ounces | 4.76 oz | 4.58 oz |
| 6 fluid ounces | 5.71 oz | 5.49 oz |
| 8 fluid ounces | 7.62 oz | 7.32 oz |
| 10 fluid ounces | 9.52 oz | 9.15 oz |
| 12 fluid ounces | 11.43 oz | 10.98 oz |
| 16 fluid ounces | 15.24 oz | 14.64 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.