Fitness & Nutrition

Calorie Calculator

Determine your Total Daily Energy Expenditure (TDEE) with scientific precision. Our tool uses the Mifflin-St Jeor equation to map your path to any fitness goal.

Personal Statistics

Biological Gender

Male Female

Age (Years)

Weight (kg)

Weight (lb)

Height (cm)

Height (ft)

Inches (in)

Daily Activity Level

Goal-Based Analysis

Enter your biometrics to unlock daily calorie and macro targets.

Daily Maintenance

Calories / Day

Weight Loss

Safe 500kcal deficit

Maintenance

Balance caloric budget

Weight Gain

Controlled 500kcal surplus

Macro Nutrient Breakdown (Balanced)

--g

Carbs

--g

Protein

--g

Fats

Total Daily Energy Expenditure (TDEE) Decoded

Managing your weight is a mathematical function of energy balance. Your Total Daily Energy Expenditure (TDEE) represents the total amount of energy your body burns in 24 hours. By understanding this number using our professional calorie calculator, you can control your body composition with confidence.

The Mifflin-St Jeor Advantage

Our tool leverages the Mifflin-St Jeor equation, currently recognized as the most accurate empirical formula for estimating metabolic rates in healthy adults. It accounts for your Basal Metabolic Rate (BMR) and your Activity Multiplier to give you a highly reliable maintenance target.

Understanding Your Macros

Calories dictate weight change, but macronutrients dictate body composition change. Our breakdown provides a balanced 40/30/30 or 50/20/30 split recommendation to ensure your hormonal health is protected while you reach your physique goals.

Frequently Asked Questions

Be realistic: 'Sedentary' is for desk jobs with no exercise. 'Lightly active' means 1-3 days of exercise. 'Moderately active' is 3-5 days of rigorous sports. Overestimating activity is the #1 reason calorie deficits fail.

If your TDEE calculation already includes your weekly activity level, you should NOT eat back the calories burned during an individual workout, as they are already accounted for in your daily budget.

For pure weight loss, calories dictate scale weight. However, macros dictate body composition. High protein preserves muscle and keeps you full, making your diet sustainable and preventing you from becoming 'skinny fat'.