Calories in 1 Cup of Natto
1 cup of natto (176 g) has 371 calories. That is 19% of a 2,000 calorie diet.
The calories come from 34 g of protein, 19 g of fat and 22 g of carbohydrates, a split of 34% protein, 44% fat and 22% carbs. For comparison, 3/4 cup of natto has 279 and 1 1/2 cups of natto has 557 calories. Burning 371 calories takes about 66 minutes of brisk walking or 30 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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Natto calories by serving size
Common amounts of natto with calories and macros. Tap a row for its full nutrition page.
Natto vs similar foods
Calories per 100 g compared with other sauces and condiments.
Natto: common questions
How many calories are in 1 cup of natto?
1 cup of natto weighs about 176 g and has 371 calories.
How much protein is in 1 cup of natto?
1 cup of natto has 34 g of protein, which is 68% of the 50 g Daily Value.
How many carbs are in 1 cup of natto?
1 cup of natto has 22 g of carbohydrates, including 9.5 g of fiber and 8.6 g of sugars.
How much natto is 100 calories?
100 calories of natto is 47 g, about 1/4 cup of natto.
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Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2707440. Original description: Natto. Portion weights are USDA household measures.