How many calories in
butter?
Butter is essentially pure fat at 717 calories per 100g. A tablespoon is about 100 calories. In tracking, the issue is rarely the spoon you measure; it's the spoon you didn't measure on the pan, the bread, the vegetables. Track every visible pat for accuracy.
Common serving sizes.
Calories scale with portion. Here's how a typical butter serving translates in your tracker:
What 717 calories means.
Calorie-dense and fatty — 81 g of fat per 100g means small portions add up fast, so weigh it rather than eyeballing.
Butter vs. similar foods.
How butter stacks up on calories and protein against foods people commonly compare it to:
Skip the lookup. Snap the plate.
Point your iPhone camera at butter 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 butter?
Butter has approximately 717 calories per 100g. A typical serving — 1 tbsp (14g) — comes in at 102 calories.
How much protein is in butter?
0.9g of protein per 100g. That puts butter at roughly 0.1g of protein per 100 calories — a useful lens when comparing to other fats sources.
How do I log butter 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 butter good for weight loss?
It depends on your overall calorie target. Butter is calorie-dense at 717 kcal per 100g, so portion control matters more than with low-cal foods.