If you’re comparing oils to shave calories, here’s the truth: the differences are so small they don’t matter. That spread of 1–7 calories per tablespoon won’t change your daily totals. What actually matters is how much oil you use and what you use it for.
Why All Cooking Oils Have Nearly The Same Calories
Oils are almost pure fat, and fat delivers about 9 calories per gram regardless of its source. A standard tablespoon of oil weighs around 13.6–14 grams, which puts every common oil in the same narrow band. The numbers you see on labels differ only because of rounding and database variations.
The Cleveland Clinic’s guidance on choosing healthy cooking oils makes this point directly: oils are nutritionally similar in calories, and the real differences come down to fat type and smoke point instead. The American Heart Association’s healthy cooking oils guide agrees, focusing on unsaturated fat content rather than calorie differences.
The Actual Calorie Counts, Oil By Oil
Here’s how the common cooking oils compare per tablespoon, based on the trusted sources:
| Oil Type | Calories Per Tbsp | Fat / Saturated Fat |
|---|---|---|
| Coconut oil | 117 | 13.6 g / 11.8 g |
| Olive oil (extra virgin) | 119 | 13.5 g / 1.9 g |
| Corn oil | 120 | 14 g / 2 g |
| Canola oil | 120 | 14 g / 1 g |
| Soybean oil | 120 | 13.6 g / 2 g |
| Avocado oil | 120–124 | 14 g / varies |
| Vegetable oil | 124 | 14 g / varies |
The one low-calorie exception is cooking spray, which delivers roughly 0–10 calories per use when applied sparingly. That’s not a true cooking oil in the liquid sense, but it’s a legitimate way to cut calories when you’re greasing a pan.
What Actually Decides Your Calorie Intake
Total calories depend on quantity, not which oil you pick. A recipe using three tablespoons of any oil adds 350–370 calories regardless of the type. Measuring by the teaspoon or tablespoon instead of pouring freely is the single most effective change you can make for calorie control.
For high-heat cooking, match your oil to the smoke point rather than hunting for a lower-calorie option. Extra virgin olive oil holds up to 375°F, refined canola reaches 470°F, and refined coconut oil handles 450°F. Using an oil past its smoke point degrades its flavor and creates compounds you’d rather avoid.
Heart-health organizations consistently recommend olive and canola oils for their fatty-acid profiles, not because they’re meaningfully lower in calories. If you want a true zero-calorie option for specific uses, our tested zero-calorie cooking oil recommendations cover sprays and alternatives that genuinely cut intake.
FAQs
Is coconut oil actually healthier than olive oil?
Does cooking oil lose calories when heated?
No. Heating oil doesn’t change its calorie content. Some oil gets absorbed by food or left in the pan, so the calories you actually eat may be lower than the amount you poured. That’s a portion issue, not an oil property—measuring what you use keeps your count accurate.
Can cooking spray replace liquid oil in recipes?
For greasing pans and light sautéing, yes. Cooking spray works well because you control the amount and it adds nearly zero calories per spritz. For baking that requires a specific fat volume, liquid oil is necessary—spray won’t deliver the same texture or moisture.
References & Sources
- Cleveland Clinic. “How to Choose and Use Healthy Cooking Oils.” Explains calorie similarity across oils and the importance of smoke point and fat type.
- American Heart Association. “Healthy Cooking Oils.” Provides guidance on unsaturated fat content and oil selection for heart health.
- Medical News Today. “Which cooking oils are healthiest?” Offers comparative calorie and fat data across common oils.