Calorie Calculator

Understanding Daily Calorie Needs

Your daily calorie needs depend on various factors including age, gender, height, weight, and activity level. This calculator uses the Mifflin-St Jeor equation to estimate your basal metabolic rate (BMR) and then adjusts it based on your activity level.

Calorie needs diagram showing factors affecting daily caloric requirements
Calorie Formula: BMR calculation using Mifflin-St Jeor equation

Activity Level Multipliers

  • Sedentary: x 1.2
  • Light Exercise: x 1.375
  • Moderate Exercise: x 1.55
  • Active: x 1.725
  • Very Active: x 1.9