Health & Fitness

Calorie & TDEE Calculator

Find your daily calorie needs, BMR and macro split for losing, maintaining or gaining weight — using the Mifflin-St Jeor equation.

Calorie & TDEE Calculator — free online health & fitness tool. Free, no signup, runs in your browser.

Updates live as you change any field.

Protein
Carbs
Fat

Macro split is for maintenance calories (protein ~1.8 g/kg, fat ~25%, remainder carbs).

Developer / raw response

Estimates only — not financial, tax, or medical advice. Read disclaimer.

What is this tool?

The Calorie & TDEE Calculator is a free online tool on Wivrix. Use it in your browser — no signup required.

How to Use

  1. Use the controls in the tool above.
  2. Enter or upload your input.
  3. Review the result, then copy or download it.

Frequently Asked Questions

What is the Calorie & TDEE Calculator?

It is a free calorie & tdee calculator you can use on Wivrix without creating an account.

Do I need to sign up?

No. You can use this tool right away in your browser.

Is it free?

Yes. The tool is free to use on Wivrix.

Other tools

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