Calorie Intake - Your Daily Calories Calculator!

How Many Calories Should You Eat Per Day to Gain/Lose Weight?This is a simple but highly accurate scientific calorie calculator, along with 5 evidence-based tips on how to sustainably reduce calorie intake. Enter your details in the app calculator below to figure out how many calories you should be eating in a day to either maintain, gain or lose weight. These include age, height, current weight, activity levels, metabolic health and several others.