Nutrition Calories Calculator

Maintaining a balanced diet and managing calorie intake is crucial for a healthy lifestyle. Whether you’re looking to lose weight, gain muscle, or simply want to maintain your current weight, understanding your daily caloric needs is essential. The Nutrition Calories Calculator is a handy tool that helps you determine your Total Daily Energy Expenditure (TDEE).

Formula: The Nutrition Calories Calculator uses the Harris-Benedict equation to estimate your Basal Metabolic Rate (BMR) based on your weight, height, age, and gender. BMR represents the number of calories your body needs to maintain basic functions at rest. Your TDEE is then calculated by multiplying your BMR with an activity level factor. Here’s the formula in plain text:

  • For males: BMR = 88.362 + (13.397 * weight in kg) + (4.799 * height in cm) – (5.677 * age in years)
  • For females: BMR = 447.593 + (9.247 * weight in kg) + (3.098 * height in cm) – (4.330 * age in years)

TDEE = BMR * Activity Level Factor

How to Use: Using the Nutrition Calories Calculator is simple. Follow these steps:

  1. Enter your weight in kilograms.
  2. Enter your height in centimeters.
  3. Input your age in years.
  4. Select your gender (male or female).
  5. Choose your activity level from the drop-down list.
  6. Click the “Calculate” button.
  7. The calculator will display your estimated TDEE in calories per day.

Example: Let’s calculate the TDEE for a 30-year-old male who weighs 80 kg, is 175 cm tall, and has a moderately active lifestyle.

  • Weight: 80 kg
  • Height: 175 cm
  • Age: 30 years
  • Gender: Male
  • Activity Level: Moderately Active

Click “Calculate,” and the calculator will display the estimated TDEE for this individual.


  1. What is TDEE? TDEE stands for Total Daily Energy Expenditure, representing the number of calories your body needs in a day, accounting for your BMR and activity level.
  2. How do I determine my activity level? Choose the activity level that best describes your daily physical activity, from sedentary to super active.
  3. Why is it essential to calculate TDEE? Knowing your TDEE helps you plan your calorie intake for weight management and achieving fitness goals.
  4. Can TDEE change over time? Yes, TDEE can change with age, weight, and activity level. It’s essential to recalculate periodically.
  5. What is BMR, and why is it important? BMR is your Basal Metabolic Rate, representing the calories your body needs at rest. It’s the foundation for calculating TDEE.
  6. Is TDEE the same as my daily calorie goal? No, your daily calorie goal depends on whether you want to gain, lose, or maintain weight and may require adjustments to your TDEE.
  7. Can I use this calculator for weight loss? Yes, by setting a calorie goal below your TDEE, you can create a calorie deficit for weight loss.
  8. Is TDEE calculation accurate for everyone? While it provides a good estimate, individual variations may exist. Consult a nutritionist or dietitian for personalized advice.
  9. What is the best way to track calorie intake and TDEE changes? Consider using a food diary or calorie-tracking apps for accurate monitoring.
  10. Is TDEE affected by medical conditions or medications? Some medical conditions and medications can impact TDEE. Consult a healthcare professional for guidance.

Conclusion: The Nutrition Calories Calculator is a valuable tool for anyone looking to manage their calorie intake and achieve their fitness and health goals. Understanding your TDEE allows you to make informed decisions about your diet and exercise routine, whether you aim to lose weight, maintain your current weight, or gain muscle. Remember that this calculator provides estimates, and individual variations may apply. Always consult with a healthcare professional or nutritionist for personalized advice.

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