What does 100 calories of pesto look like?

100 calories =⅓ quarter cup24 g · 0.8 oz
High calorie density4.26 kcal/g
Each 🌿 = one quarter cup (~61.0 g). The last icon shows a part of one.
Food volume for 100 kcal

Pesto has 426 calories per 100 g, so 100 calories is ⅓ quarter cup of pesto (24 g). About 90% of its calories come from fat, which is why the portion looks small. Weigh or measure it at first: eyeballed portions of dense foods are where hidden calories come from.

Pesto: 50 to 500 calories

CaloriesGramsOuncesQuarter cups
50 kcal12 g0.4 oz¼
100 kcal24 g0.8 oz⅓
200 kcal47 g1.7 oz¾
300 kcal70 g2.5 oz1¼
500 kcal118 g4.2 oz2

What's in 100 calories of pesto

1.2 gprotein
1.4 gcarbs
10.0 gfat
0.4 gfiber

Protein 5% Carbs 6% Fat 90% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than pesto:

Compare with other fats, oils & spreads

Food100 kcal isGrams
🌿 Pesto⅓ quarter cup24 g
🥛 Half and half5 tablespoons76 g
🥛 Sour cream4¼ tablespoons50 g
🥗 Italian dressing2¾ tablespoons42 g
🥛 Heavy cream2 tablespoons29 g
🧀 Cream cheese2 tablespoons29 g
🥗 Ranch dressing1½ tablespoons23 g
🍫 Chocolate hazelnut spread½ tablespoon19 g
🥗 Caesar dressing1¼ tablespoons18 g
🥜 Peanut butter1 tablespoon17 g
⚪ Tahini1 tablespoon17 g
🥜 Almond butter1 tablespoon16 g
🥚 Mayonnaise1 tablespoon15 g

See all fats, oils & spreads →

Questions

How much is 100 calories of pesto?

100 calories of pesto is about 24 g (0.8 oz), or roughly ⅓ quarter cup.

How many calories are in 100 g of pesto?

426 calories per 100 g, according to USDA FoodData Central.

Is pesto good for weight loss?

High calorie density (4.26 kcal per gram). Small portions add up fast. Measuring matters most for foods like this. 100 calories also gives you 1.2 g of protein and 0.4 g of fiber.

How many calories are in one quarter cup?

About 260 calories.

How many quarter cups is 200 calories?

About ¾ (47 g).

Free printable

The 100-calorie cheat sheet

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Sauce, pesto, ready-to-serve, shelf stable" (FDC ID 171580). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 0.25 cup = 61.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.