Daily Calorie Calculator – Find Out How Many Calories You Need Daily Calorie Calculator – Know Your Calorie Needs Use this free calorie calculator to estimate how many calories you need daily based on your age, gender, weight, height, and activity level. Age (years): Gender: Male Female Height (cm): Weight (kg): Activity Level: Sedentary (little or no exercise) Lightly active (light exercise 1-3 days/week) Moderately active (exercise 3-5 days/week) Very active (exercise 6-7 days/week) Super active (very hard exercise/physical job) Calculate Calories