Calories in tofu

USDA data · Updated October 12, 2026

Tofu (½ cup, 126 g) has 98 calories, with 11.4 g of protein, 3.6 g of carbohydrates and 5.3 g of fat. Per 100 g, that's 78 kcal.

Values are for Tofu, firm, prepared with calcium sulfate and magnesium chloride (nigari). Amounts vary with size, variety and preparation.

Tofu (firm)

Per ½ cup (126 g)


Calories98

Protein11.4 g
Carbohydrates3.6 g
   Fiber1.1 g
   Sugars0.8 g
Fat5.3 g
Sodium15 mg

Source: USDA FoodData Central.

Calories in tofu by serving

ServingWeightCaloriesProteinCarbsFat
100 g100 g789 g2.9 g4.2 g
½ cup126 g9811.4 g3.6 g5.3 g
¼ block81 g637.3 g2.3 g3.4 g
0.2 block91 g718.2 g2.6 g3.8 g
1 oz28 g222.6 g0.8 g1.2 g

Where the calories come from

Protein 42%Carbs 13%Fat 45%

Tofu (firm) has a low energy density (0.8 kcal per gram). It provides 11.6 g of protein per 100 kcal, which makes it a lean protein source.

Beans, lentils & tofu: calories compared

Per 100 gCaloriesProteinCarbsFat
Tofu (firm)789 g2.9 g4.2 g
Lentils1169 g20.1 g0.4 g
Black beans1328.9 g23.7 g0.5 g
Chickpeas1648.9 g27.4 g2.6 g
Hummus2377.8 g15 g17.8 g

Log it in seconds

In C for Calories, photograph your plate and tofu is estimated along with everything else on it, or search for it and enter the amount in grams. For packaged versions, scan the barcode to use the label.

Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy, FDC ID 172448. Calories are rounded to the nearest whole number and nutrients to one decimal place.

FAQ

Frequently asked questions

How many calories are in tofu?

98 calories in ½ cup (126 g), or 78 calories per 100 g.

How much protein is in tofu?

11.4 g of protein in ½ cup (126 g) (9 g per 100 g).

How many carbs are in tofu?

3.6 g of carbohydrates in ½ cup (126 g), including 1.1 g of fiber.