BMI and Calorie Calculator – Free Online Health Tool BMI & Calorie Needs Calculator Check your Body Mass Index and Daily Calorie Needs Select Sex Male ♂️ Female ♀️ Select Activity Level Sedentary Lightly active Moderately active Very active Extra active Calculate Calculating... Your BMI: Daily Calorie Needs Maintenance Calories: kcal/day Weight Loss (~0.5kg/week): kcal/day Weight Gain (~0.5kg/week): kcal/day