Food is the most important requirement of every living beings on earth. Proper amount of calories is needed for the proper functioning of the body but an excess of is not good. According to nutrition.gov, obsessions with food, body weight, and shape may be signs of an eating disorder. These disorders can affect a person’s physical and mental health; in some cases, they can be life-threatening. So, a balanced diet is necessary to be free from such illness and maintain a healthy lifestyle. “Food Recognition and its Calorie Measurement using Tensorflow Object Detection API” was designed with the purpose of giving people knowledge about what and how much they eat in order to maintain a healthy lifestyle. The system was developed using tensor flow for object detection and was successfully implemented using Python and Open Cv at back end with an accuracy of 50-60%. In this system the food area, size and volume will be used to calculate the calorie in an effective way.