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Enter your values in the input fields and the BMR & TDEE Calculator will automatically calculate results in real-time. All calculations are performed instantly in your browser.

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BMR & TDEE Calculator

Calculate how many calories you burn at rest (BMR) vs active (TDEE).

Logic Verified

Configure parametersUpdated: Feb 2026

Weight (lbs) - 100

Height (in) - 100

Age - 100

Basal Metabolic Rate

Active Burn (TDEE)

Chart

Data

Value

Expert Analysis & Methodology

Strategic Optimization

Based on your inputs, small adjustments in Weight (lbs) could improve your outcome significantly.

BMR & TDEE Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE).

What is BMR?

BMR is the number of calories your body burns at complete rest (if you stayed in bed all day). It is the energy required to keep your heart beating and lungs breathing.

What is TDEE?

TDEE is your BMR + Calories burned from activity. This is your "Maintenance Level".

To Lose Weight: Eat below your TDEE.
To Gain Weight: Eat above your TDEE.

Activity Levels

Sedentary: Desk job, little exercise.
Lightly Active: Exercise 1-3 days/week.
Moderately Active: Exercise 3-5 days/week.
Very Active: Hard exercise 6-7 days/week.

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Need an expert opinion on your BMR & TDEE Calculator results? Connect with a verified specialist.

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Disclaimer

This calculator is provided for educational and informational purposes only. It does not constitute professional legal, financial, medical, or engineering advice. While we strive for accuracy, results are estimates based on the inputs provided and should not be relied upon for making significant decisions. Please consult a qualified professional (lawyer, accountant, doctor, etc.) to verify your specific situation. CalculateThis.ai disclaims any liability for damages resulting from the use of this tool.