A typical serving of mayonnaise (1 tbsp, 14 g) has about 94 calories. Per 100 g: 680 kcal, 1 g protein, 0.6 g carbs, 74.8 g fat. The same 100 g carries 0.6 g of sugar. Most of the energy comes from fat.
| Serving | Weight | Calories |
|---|---|---|
| 1 tbsp | 14 g | 94 kcal |
| 1 packet | 10 g | 68 kcal |
| 100 g | 100 g | 680 kcal |
Egg and oil emulsified: a single tablespoon is about 94 calories. On the energy-density scale, 680 kcal per 100 g puts mayonnaise at the very high end.
A typical serving (1 tbsp, 14 g) has about 94 calories, and 100 g has 680 kcal. Calories scale with weight, so double the portion means double the number.
There are 1 g of protein in 100 g of mayonnaise, which works out to about 0.1 g per serving (1 tbsp). Treat it as an energy source rather than a protein source.
Yes, in the plain arithmetic sense: 74.8 g of fat per 100 g supplies about 99% of the calories. Whether that fits your day depends on your totals, not on the food alone.
Every value on this page comes from USDA FoodData Central, entry 171009 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 171009 (SR Legacy). Serving calories are computed from the per-100-g values.
