PURPOSE: To provide a calorimeter which can measure the heat quantity of food more readily.

CONSTITUTION: A calorimeter, which comprises a platform 1 on which to place food, a painter 2 designed to support the platform 1 and be rotated by the gravity exerted on the platform 1 so as to determine the angle of rotation from the 0 point according to the weight of food, and a dial 3 installed behind the beacon 2 and having scales formed on its circumference about the beacon 2, has scales 5 that indicate calories in terms of weight according to the kind of food.