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Cooking conversion
Teaspoons of Vegetable Oil to Ounces
How many ounces are in teaspoons of vegetable oil? Type a value below to see the result instantly. Cooking conversions depend on the density of each ingredient — the math here uses 0.921 g/mL for vegetable oil.
Calculator
1 tsp of vegetable oil = 0.160127 oz
Teaspoons of Vegetable Oil to Ounces Conversion Table
Common values for vegetable oil:
| Teaspoons of vegetable oil | Ounces |
|---|---|
| 0.25 tsp | 0.040032 oz |
| 0.5 tsp | 0.080064 oz |
| 1 tsp | 0.160127 oz |
| 2 tsp | 0.320255 oz |
| 3 tsp | 0.480382 oz |
| 4 tsp | 0.64051 oz |
| 5 tsp | 0.800637 oz |
| 8 tsp | 1.281 oz |
| 10 tsp | 1.6013 oz |
How this works
Vegetable oil has a density of about 0.921 g/mL (usda fooddata central). That means 1 mL of vegetable oil weighs 0.921 grams.
Ounces = teaspoons × 0.1601
Note: Includes canola, corn, soybean blends.
Why a cup of vegetable oil doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of vegetable 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 (0.921 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. Includes canola, corn, soybean blends.
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 vegetable oil by its density (0.921 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.