How many calories in
mayonnaise?
Mayonnaise comes in at 680 calories per 100g. Mostly fat — measure carefully. A teaspoon is 34 calories.
Common serving sizes.
Calories scale with portion. Here's how a typical mayonnaise serving translates in your tracker:
What 680 calories means.
Calorie-dense and fatty — 75 g of fat per 100g means small portions add up fast, so weigh it rather than eyeballing.
Mayonnaise vs. similar foods.
How mayonnaise stacks up on calories and protein against foods people commonly compare it to:
Skip the lookup. Snap the plate.
Point your iPhone camera at mayonnaise and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
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How many calories in mayonnaise?
Mayonnaise has approximately 680 calories per 100g. A typical serving — 3 oz (85g) — comes in at 578 calories.
How much protein is in mayonnaise?
1g of protein per 100g. That puts mayonnaise at roughly 0.1g of protein per 100 calories — a useful lens when comparing to other condiments sources.
How do I log mayonnaise accurately?
The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.
Is mayonnaise good for weight loss?
It depends on your overall calorie target. Mayonnaise is calorie-dense at 680 kcal per 100g, so portion control matters more than with low-cal foods.