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BMR & TDEE Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE). Supports Mifflin-St Jeor and Harris-Benedict formulas with metric and imperial units.

BMR & TDEE Calculator
Results
BMR (Basal Metabolic Rate)
1,643
kcal/day
TDEE (Total Daily Energy Expenditure)
2,546
kcal/day
Weight Loss
−500 kcal
2,046kcal/day
Maintenance
TDEE
2,546kcal/day
Weight Gain
+500 kcal
3,046kcal/day
Mifflin-St Jeor (M): 10w + 6.25h − 5a + 5

About This Tool

Use the Bmr Tdee Calculator to perform quick, accurate calculations right in your browser. Enter your values and get instant results with clear breakdowns. No app installation or account needed — all calculations run locally on your device with full precision.

How to Use

  1. Enter the required values in the input fields.
  2. The results are calculated and displayed in real time as you type.
  3. Review the detailed breakdown and any charts or visualizations.
  4. Copy the results or take a screenshot for your records.

Frequently Asked Questions

How accurate is the Bmr Tdee Calculator?
All calculations use standard mathematical formulas with JavaScript's 64-bit floating-point precision (approximately 15-17 significant digits). Results are accurate for everyday and professional use.
Can I save my calculations?
The tool doesn't store results between sessions. Copy or screenshot results you need to keep. All calculations run in your browser with no server-side storage.
Does this work on mobile devices?
Yes. The calculator is fully responsive and works on smartphones and tablets. Touch-friendly inputs make it easy to use on any screen size.
Is my data private?
Yes. All calculations happen locally in your browser using JavaScript. No data is sent to any server — your inputs and results never leave your device.