Water chestnuts are not high in calories.

The calories of water chestnuts are about 101 calories per 100 grams, and the fat content is 0.1 grams. It is a low-fat food. If it is eaten as a staple food, its calories are not very high compared to other staple foods, but if it is eaten as a vegetable, its calories are relatively high compared to other vegetables.

However, water chestnuts also contain certain nutrients such as protein and vitamins. They are relatively nutritious ingredients and can be used to replace staple food.