Mayonnaise comes in at 680 calories per 100g. Mostly fat — measure carefully. A teaspoon is 34 calories.
Calories scale with portion. Here's how a typical mayonnaise serving translates in your tracker:
Calorie-dense and fatty — 75 g of fat per 100g means small portions add up fast, so weigh it rather than eyeballing.
How mayonnaise stacks up on calories and protein against foods people commonly compare it to:
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.
Download on theApp StoreMayonnaise has approximately 680 calories per 100g. A typical serving — 3 oz (85g) — comes in at 578 calories.
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.
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.
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.