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TDEE Calculator

Estimate your Total Daily Energy Expenditure using activity multipliers.

Introduction

TDEE Calculator — Estimate your Total Daily Energy Expenditure using activity multipliers. Enter Gender, Age, Height (cm), Weight (kg), Activity level to get an instant, accurate result.

Formula

TDEE = BMR (Mifflin-St Jeor) × activity factor, where activity factor ranges from ~1.2 (sedentary) to ~1.9 (very active).

Step-by-step

  1. Enter the Gender.
  2. Enter the Age.
  3. Enter the Height (cm).
  4. Enter the Weight (kg).
  5. Enter the Activity level.
  6. Click Calculate to see your result instantly.

Real-world example

Example: With Gender = male, Age = 30, Height (cm) = 175, Weight (kg) = 75, Activity level = 1.55, the TDEE Calculator gives BMR: 1698.75, Tdee: 2633.0625.

Frequently Asked Questions

How is TDEE different from BMR?
BMR is calories burned at complete rest; TDEE multiplies BMR by an activity factor to estimate total daily calories burned including movement and exercise.
Which activity factor should I choose?
Pick the level that matches your typical week — sedentary (desk job, little exercise) up to very active (hard daily training or a physical job).
What inputs does the TDEE Calculator need?
You'll need to provide: Gender, Age, Height (cm), Weight (kg), Activity level. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the TDEE Calculator?
The TDEE Calculator applies the formula exactly as calculated — TDEE = BMR (Mifflin-St Jeor) × activity factor, where activity factor ranges from ~1.2 (sedentary) to ~1.9 (very active). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is this a medical diagnosis?
No. The TDEE Calculator provides an estimate based on standard formulas and general population data, not a medical diagnosis or personalized clinical advice. Individual results can vary — consult a doctor or other qualified healthcare provider for medical concerns.
Is the TDEE Calculator free to use?
Yes, the TDEE Calculator is completely free, requires no signup, and runs instantly in your browser.

About the TDEE Calculator

The TDEE Calculator uses a real, verifiable formula — TDEE = BMR (Mifflin-St Jeor) × activity factor, where activity factor ranges from ~1.2 (sedentary) to ~1.9 (very active). — so results are accurate every time, not an approximation.