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BMR & TDEE Calculator — by BitTools

BMR (Basal Metabolic Rate) is the number of calories your body needs at rest. TDEE (Total Daily Energy Expenditure) estimates your daily calories based on activity.

Our BMR & TDEE Calculator lets you:

Why Use an Online BMR & TDEE Calculator?

👉 Try it here: Free BMR & TDEE Calculator

Common Uses

  1. Nutrition planning – Know your daily calorie needs.
  2. Fitness tracking – Adjust diet and activity for goals.
  3. Health reference – Monitor energy requirements.

How Our BMR & TDEE Tool is Different

Example: BMR & TDEE Calculation

Formulas:

Men: BMR = 10 × weight (kg) + 6.25 × height (cm) - 5 × age + 5
Women: BMR = 10 × weight (kg) + 6.25 × height (cm) - 5 × age - 161
TDEE = BMR × Activity Factor
      

Example Calculation:

Gender: Female
Age: 30 years
Height: 165 cm
Weight: 60 kg
BMR = 10*60 + 6.25*165 - 5*30 -161 = 1373 kcal/day
Activity: Moderately Active (1.55)
TDEE = 1373 * 1.55 ≈ 2127 kcal/day
      

Frequently Asked Questions

What is BMR?

BMR is the calories your body burns at rest to maintain vital functions.

What is TDEE?

TDEE estimates total daily calories based on activity level and BMR.

How do you calculate BMR?

Use formulas based on gender, weight, height, and age as shown above.

How do you calculate TDEE?

Multiply BMR by an activity factor: Sedentary:1.2, Light:1.375, Moderate:1.55, Very:1.725, Super Active:1.9

Do I need to install anything?

No. The calculator runs entirely in your browser and requires no downloads.

Final Thoughts

BMR & TDEE calculations help you understand your energy needs for maintaining, losing, or gaining weight. Use our free tool for fast, private, and accurate estimates.

👉 Try our free Online BMR & TDEE Calculator today.