How many calories are in lasagna?
Logged in Kallo on November 1, 2026
Anywhere from about 300 to 500 kcal. A piece of lasagna is layers of pasta, sauce and cheese, and the size of the piece decides most of it. Here are four real ones, each typed into Kallo the way people describe them.
Restaurant, one big piece
Beef lasagna at an Italian restaurant, one large piece (pasta sheets + beef ragu + béchamel + mozzarella + parmesan)
Beef lasagna at an Italian restaurant, one large piece (pasta sheets + beef ragu + béchamel + mozzarella + parmesan)
Homemade, one square
Homemade lasagna, 1 square from a 9x13 tray (beef + ricotta + mozzarella + tomato sauce)
Homemade lasagna, 1 square from a 9x13 tray (beef + ricotta + mozzarella + tomato sauce)
Vegetable lasagna
Vegetable lasagna, 1 piece (pasta sheets + zucchini + spinach + ricotta + tomato sauce + mozzarella)
Vegetable lasagna, 1 piece (pasta sheets + zucchini + spinach + ricotta + tomato sauce + mozzarella)
Frozen single serving
Frozen beef lasagna, 1 single-serve tray of about 300g
Frozen beef lasagna, 1 single-serve tray of about 300g
What moves the number
In the restaurant piece, the meat sauce and the pasta are about even. The mozzarella, parmesan and béchamel together add 226 kcal, more than either.
Where these numbers come from
Each meal above was typed into Kallo once, on November 1, 2026. Kallo split it into ingredients, estimated the grams, and took calories and macros from USDA FoodData Central.
More meals
- Spaghetti bolognese200 to 1,000 kcal
- Pepperoni pizza300 to 700 kcal
- Margherita pizza300 to 1,100 kcal
- Spaghetti carbonara300 to 900 kcal
- Chicken alfredo500 to 1,100 kcal
- Mac and cheese500 to 800 kcal
Or browse all 50 meals.
Type yours the way you would say it, like “one square of homemade lasagna, beef and ricotta”, and Kallo works out the rest.