TDEE Calculator — Total Daily Energy Expenditure
Calculate the exact number of calories your body burns every day, combining your resting metabolic rate with your physical activity levels.
Your Total Daily Energy Expenditure (TDEE) is the fundamental number behind any successful weight management strategy. It represents the absolute total number of calories you burn in a given 24-hour period. While your Basal Metabolic Rate (BMR) only accounts for the calories burned while at complete rest, your TDEE encompasses everything—including walking, digesting food, fidgeting, and intense gym workouts. Understanding your TDEE means you know your exact "maintenance calories." If you eat exactly your TDEE, your weight will not change. If you eat below it, you will lose weight; if you eat above it, you will gain weight. Our clinical TDEE Calculator utilizes the gold-standard Mifflin-St Jeor equation to provide you with the most accurate metabolic baseline possible.
TDEE Parameters
Awaiting Input Parameters
Fill in your gender, age, height, weight, and exercise levels to evaluate your Basal Metabolic Rate and Total Daily Energy Expenditure.
How to Use This Calculator
Calculating your TDEE requires establishing both your biological profile and your lifestyle habits. Follow these steps:
- Enter Your Biological Data: Input your biological gender, age, weight, and height. The calculator uses this to determine your Basal Metabolic Rate (BMR).
- Select Activity Level (Crucial Step): Choose the activity multiplier that best matches your weekly routine. Be honest—overestimating your activity level is the most common reason diets fail, as it artificially inflates your calorie target.
- Calculate: The tool will output your estimated maintenance calories alongside tailored recommendations for cutting (weight loss) and bulking (muscle gain).
What Your Result Means
Your TDEE output is broken down into the four distinct biological systems that burn calories throughout the day:
BMR (60-70% of TDEE)
Basal Metabolic Rate. The energy required to keep your heart beating, lungs breathing, and brain functioning while completely inactive.
NEAT (15-20% of TDEE)
Non-Exercise Activity Thermogenesis. The calories burned from subconscious movements, fidgeting, walking to your car, and daily chores.
TEF (10% of TDEE)
Thermic Effect of Food. The energy your digestive system uses to break down and absorb nutrients. (Protein requires significantly more energy to digest than fats or carbs).
EAT (5-10% of TDEE)
Exercise Activity Thermogenesis. The calories intentionally burned during structured workouts like weightlifting, running, or swimming.
When to See a Doctor
TDEE calculators are highly accurate for healthy individuals, but they rely on standard mathematical averages. If you are strictly eating below your calculated TDEE for several weeks and the scale refuses to drop, or you are gaining weight inexplicably, you may have an underlying endocrine disorder. Conditions like Hypothyroidism, Polycystic Ovary Syndrome (PCOS), and severe insulin resistance can drastically lower your actual metabolic rate compared to the mathematical projection.
Prakash Hospital's Endocrinology and Dietetics departments provide comprehensive hormonal panels (TSH, T3, T4, fasting insulin) and metabolic testing to uncover and medically treat the root cause of weight loss resistance.
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Frequently Asked Questions
Find answers to common questions about your TDEE calculation at Prakash Hospital Noida.
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How does building muscle affect my TDEE?
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