Lose Weight with Only 1500 Calorie Diet Infographics. A lot people will lose weight on a daily diet of 1,500 calories, which is the total calorie count for all the food pictured here. For example, for grains to be white all of the nutrients have been stripped out. Swap your regular sandwich for an open rye bread sandwich instead. It will not be easy in the beginning but once your body adapts it will get easier. If you happen to get hungry between meals you can always snack on carrot sticks or celery sticks which is high in fiber and will you fuel you without getting fat.