Peanut Butter Nutrition Facts
A 100 g serving of peanut butter contains 597 kcal, 22.2g protein (lime), 50g fat (pink) and 22.2g carbohydrate (blue). It has modest fiber and 10.6g sugar. Its other nutrient values are modest — see the full breakdown below.
Core Nutrients per 100 g
PER 100 G SERVINGThe six values MacroDrop shows on every meal card: energy, the three macros, fiber and sugars.
Extended Nutrients
PER 100 G SERVINGGrouped as in the app: lipids, minerals, vitamins and other compounds sit one level below the core six. Daily values follow the FDA 2,000 kcal reference.
Understanding Peanut Butter Nutrition
Peanut Butter is a beverage or pantry staple whose main dietary contribution is calories. At 597 kcal per 100 g serving, it provides 22.2g of protein, 22.2g of carbohydrate and 50g of fat. Peanut Butter is particularly rich in saturated fat, delivering 10.3g — 53% of the daily value — in a single serving. It has modest fiber and 10.6g sugar.
For athletes and anyone tracking macros, peanut butter is calorie-dense and works well for adding calories without added volume, thanks to its fat content. Because it's calorie-dense, it's easiest to track in small, pre-measured portions rather than free-pouring.
Frequently Asked Questions
How many calories are in a 100 g serving of peanut butter?
A 100 g serving of peanut butter has 597 kcal, 22.2g protein, 50g fat and 22.2g carbohydrate.
How much protein is in peanut butter?
22.2g per 100 g serving.
Does peanut butter have carbs, sugar or protein?
Peanut Butter has 22.2g carbs, 10.6g sugar, 22.2g protein per 100 g serving.
Which nutrients is peanut butter richest in?
No single micronutrient stands out sharply — see the full breakdown below.
Is peanut butter good for tracking macros?
For athletes and anyone tracking macros, peanut butter is calorie-dense and works well for adding calories without added volume, thanks to its fat content.
Log the peanut butter in two seconds
MacroDrop tracks all of these nutrients — core and extended — from a photo, your voice or a barcode. Offline USDA database, 7,800 foods.
Values come from the USDA FoodData Central entry Peanut butter, smooth style, without salt (FDC ID 172470), per 100 g. Daily values follow the FDA 2,000 kcal reference. Last reviewed August 2026.