Calorie Calculator Calorie Calculator Calculate your daily caloric needs to lose, gain, or maintain weight. Male Female Age Unit System: US Units Metric Units Height Weight Activity Level Sedentary (little or no exercise) Lightly Active (light exercise/sports 1-3 days/week) Moderately Active (moderate exercise/sports 3-5 days/week) Very Active (hard exercise/sports 6-7 days/week) Extra Active (very hard exercise/sports & physical job) Calculate Reset Your caloric needs will appear here.