TDEE stands for Total Daily Energy Expenditure. It represents the total number of calories you burn daily from your basal metabolism, physical activity, and digestion.

How can I calculate my TDEE?

You can calculate your TDEE by multiplying your Basal Metabolic Rate (BMR) by your activity factor. The easiest way is to use our TDEE Calculator PRO which applies the Mifflin-St Jeor equation.

How do I use my TDEE for weight loss or gain?

To lose weight, consume 10–20% fewer calories than your TDEE. To gain weight or muscle, eat 10–15% more calories. To maintain, eat approximately your TDEE amount.

TDEE calculator: Total Daily Energy Expenditure

Q: How accurate is the TDEE Calculator?

The calculator provides an accurate estimate based on scientific formulas, but real-world TDEE can vary slightly depending on metabolism, muscle mass, and lifestyle factors.

Weight (kg)

Height (cm)

Age (years)

Gender

Activity Level

TDEE estimates your daily calorie needs to maintain your current weight.

Total Daily Energy Expenditure (TDEE) Calculator — Find Out How Many Calories You Burn Every Day

The TDEE Calculator PRO helps you determine your Total Daily Energy Expenditure — the total number of calories your body burns each day through your basic metabolism, daily activities, and exercise. Knowing your TDEE is crucial for managing your weight effectively, whether your goal is to lose fat, gain muscle, or maintain your current physique. This calculator uses advanced BMR (Basal Metabolic Rate) equations combined with your personal activity level to estimate how much energy you need daily.

What Is TDEE?

TDEE stands for Total Daily Energy Expenditure — the total number of calories your body burns in 24 hours. It’s the combination of:

BMR (Basal Metabolic Rate): Calories burned at rest for basic bodily functions like breathing, blood circulation, and cell repair.
Physical Activity: Energy used during exercise, walking, or daily movement.
Thermic Effect of Food (TEF): Energy required for digestion and absorption of food (~10% of total calories).

In simple terms, your TDEE is your “maintenance calorie level” — if you consume that amount, your weight stays stable. Eating less will create a calorie deficit for fat loss, while eating more creates a calorie surplus for muscle gain.

TDEE Formula Explained

The TDEE formula starts with calculating your BMR. The most common equations are the Mifflin-St Jeor and the Harris-Benedict formulas. Our calculator uses the Mifflin-St Jeor equation for higher accuracy:


  For men:   BMR = 88.362 + (13.397 × weight in kg) + (4.799 × height in cm) − (5.677 × age)
  For women: BMR = 447.593 + (9.247 × weight in kg) + (3.098 × height in cm) − (4.330 × age)

Once BMR is known, multiply it by your Activity Factor:

Activity Multipliers

1.2 — Sedentary (little or no exercise)
1.375 — Lightly active (exercise 1–3 days/week)
1.55 — Moderately active (exercise 3–5 days/week)
1.725 — Very active (exercise 6–7 days/week)
1.9 — Extra active (hard training or physical labor)

The result gives your Total Daily Energy Expenditure — the number of calories you burn per day.

Example of TDEE Calculation

Let’s take an example. Suppose John is a 30-year-old male, 180 cm tall, weighing 75 kg, who exercises 3–5 times a week (moderately active).

His BMR will be:


  BMR = 88.362 + (13.397 × 75) + (4.799 × 180) − (5.677 × 30)
      = 88.362 + 1004.775 + 863.82 − 170.31
      = 1786.65 kcal/day

Since John is moderately active, we multiply BMR by 1.55:


  TDEE = 1786.65 × 1.55 = 2769 kcal/day

Therefore, John needs about 2770 kcal/day to maintain his current weight. To lose weight, he can reduce 500 kcal/day; to gain muscle, he can increase by 300–500 kcal/day.

How to Use the TDEE Calculator PRO

Enter your weight in kilograms.
Provide your height in centimeters.
Enter your age in years.
Select your gender.
Choose your activity level.
Click “Calculate TDEE.”

The calculator will instantly display your daily energy expenditure in kcal. You can also clear all fields to start a new calculation.

Tips for Using Your TDEE Results

To lose weight: Subtract 10–20% from your TDEE.
To gain muscle: Add 10–15% to your TDEE.
To maintain weight: Eat close to your TDEE value.

For sustainable results, avoid cutting calories too drastically. A moderate deficit ensures you lose fat without harming muscle mass or metabolism.

Adjusting TDEE Based on Diet and Activity

Your calorie needs can change depending on your activity level, muscle mass, and metabolic rate. For example, as you lose weight, your TDEE decreases slightly because your body becomes lighter and burns fewer calories. Therefore, it’s wise to recalculate your TDEE every 4–6 weeks.

Also, factors like stress, sleep, and hormonal balance can influence your daily energy expenditure. Regularly tracking your calorie intake and weight helps keep your progress on track.

BMR vs TDEE — What’s the Difference?

BMR is the number of calories your body needs to function at rest.
TDEE includes all calories burned from movement, exercise, and digestion.

Simply put, BMR is your baseline, while TDEE reflects your real-world energy burn.

How Accurate Is the TDEE Calculator?

While no online tool can be 100% precise, the TDEE Calculator PRO gives a close estimation. Individual factors like muscle composition, metabolism, or thyroid activity can slightly affect your real TDEE.

To fine-tune your results:

Track your weight for 2–3 weeks while maintaining a set calorie intake.
If weight stays stable — that’s your true TDEE.
If weight drops — you’re in a deficit (reduce calories less).
If weight increases — you’re in a surplus (reduce slightly).

References

Conclusion

The TDEE Calculator is one of the most effective tools for anyone serious about fitness, nutrition, or body composition. It helps you understand your metabolism, optimize your calorie intake, and reach your health goals faster.

Whether you want to lose weight, gain muscle, or simply maintain your ideal form, tracking your TDEE ensures you’re eating according to your body’s real energy demands.

Evan Fog