2. Tofu is a kind of food with low calorie. Every 100 grams of tofu contains only 84 calories, while every 100 grams of fat meat contains 807 calories. From the calorie content, we can know that the calorie of tofu is far lower than that of fat meat. Therefore, the calorie of one piece of tofu is not equal to two pieces of fat meat, and tofu is not a high-calorie food. During weight loss, you can also eat some tofu appropriately to supplement your nutrition.