Calorie Calculator

Calculate your daily calorie needs for weight loss, maintenance, or gain based on your activity level.

About Calorie Calculations

This calculator uses the Mifflin-St Jeor equation to estimate your Basal Metabolic Rate (BMR) and then applies activity factors to determine your total daily energy expenditure.

Understanding the Results:

  • BMR: Calories your body burns at rest for basic functions
  • Maintenance: Calories needed to maintain current weight
  • Weight Loss: Calorie deficit needed for gradual weight loss
  • Weight Gain: Calorie surplus needed for gradual weight gain

Activity Levels Explained:

  • Sedentary: Desk job, no regular exercise
  • Lightly Active: Light exercise 1-3 days per week
  • Moderately Active: Moderate exercise 3-5 days per week
  • Very Active: Hard exercise 6-7 days per week
  • Extremely Active: Very hard exercise, physical job, or training twice a day

Note: These are estimates. Individual metabolic rates can vary. Consult a healthcare professional for personalized advice.