How Much Is 1 Fluid Ounce of Olive Oil in Grams?
1 fluid ounce of olive oil weighs 27.00 g. This is based on olive oil having a density of 216g per cup. Because fluid ounces measure volume and grams measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 1 fluid ounce.
Formula and Step-by-Step
- Start with 1 fluid ounce of olive oil
- 1 fluid ounce of olive oil = 27g
- 1 × 27 = 27g
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Mental Math Shortcut
For 1 fluid ounce of olive oil, just remember: 27g. Double it for 2 fluid ounces (54g), halve it for a half fluid ounce (13.5g).
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 (1 fluid ounce) is highlighted.
For reference, 1 fluid ounce of olive oil (27g) is close in weight to a slice of cheese (28g).
Other Amounts of Olive Oil
| Fluid Ounces | US Grams | UK Fluid Ounce |
|---|---|---|
| 1 fluid ounce | 27.00 g | 25.94 g |
| 2 fluid ounces | 54.00 g | 51.88 g |
| 3 fluid ounces | 81.00 g | 77.82 g |
| 4 fluid ounces | 108.00 g | 103.76 g |
| 5 fluid ounces | 135.00 g | 129.70 g |
| 6 fluid ounces | 162.00 g | 155.64 g |
| 8 fluid ounces | 216.00 g | 207.52 g |
| 10 fluid ounces | 270.00 g | 259.40 g |
| 12 fluid ounces | 324.00 g | 311.28 g |
| 16 fluid ounces | 432.00 g | 415.04 g |
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 a Gram?
A gram (g) is a metric unit of mass equal to 1/1000 of a kilogram. It is the standard weight measurement for precise baking worldwide. Professional bakers prefer grams because they are more accurate than volume measurements.