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The Most Accurate Free TDEE Calculator & Fitness Tools

Looking for the most accurate TDEE calculator? TDEE.TECH is your trusted, evidence-based platform featuring a highly precise TDEE calculator for determining your Total Daily Energy Expenditure. Alongside our core TDEE calculator, we offer tools for Body Mass Index (BMI), Basal Metabolic Rate (BMR), and optimal macronutrient splits. Whether your goal is sustainable weight loss, muscle building, or body recomposition, our suite of over 38+ advanced calculators uses clinically validated formulas like the Mifflin-St Jeor and Katch-McArdle equations. Get your accurate daily calorie needs and step-by-step personalized nutrition plansโ€”100% free, with no signup required.

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  • TDEE Calculator
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Nutrition & Calories

  • Calorie Calculator
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  • Macro Calculator
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Weight Management

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Health & Medical

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Important Medical Disclaimer: All tools on TDEE.TECH are for educational and informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. Results are estimates based on validated formulas (Mifflin-St Jeor, Katch-McArdle). Always consult a qualified healthcare provider before making significant changes to your diet, exercise, or nutrition plan.

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Terms of Service

Last updated: May 4, 2026

By accessing or using TDEE.TECH at tdee.tech, you agree to be bound by these Terms of Service. Please read them carefully.

1. Acceptance of Terms

By using this website, you confirm that you are at least 13 years of age and agree to these terms. If you do not agree, please do not use our website.

2. Use of the Service

TDEE.TECH provides free online fitness calculators for informational purposes only. You agree to use the service only for lawful purposes and in a way that does not infringe the rights of others or restrict their use and enjoyment of the service.

3. Medical Disclaimer

The calculations, results, and information provided on this website are for educational and informational purposes only. They do not constitute medical advice, diagnosis, or treatment. Always consult a qualified physician, registered dietitian, or licensed healthcare provider before:

  • Starting a new diet or caloric restriction plan
  • Beginning a new exercise program
  • Making changes to your current nutrition plan if you have a medical condition

4. Accuracy of Information

While we strive to provide accurate calculations based on peer-reviewed research, all results are estimates. Individual metabolic rates vary. We make no warranties, express or implied, regarding the accuracy, completeness, or fitness for a particular purpose of any result generated by our calculators.

5. Intellectual Property

All content on this website โ€” including text, design, code, and graphics โ€” is the property of TDEE.TECH and is protected by applicable intellectual property laws. You may not reproduce, distribute, or create derivative works without our express written permission.

6. Advertising

This website displays third-party advertisements through Google AdSense. We are not responsible for the content of any advertisement. The display of advertisements does not constitute our endorsement of any advertised product or service.

7. Limitation of Liability

To the fullest extent permitted by law, TDEE.TECH shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising out of your use of, or inability to use, this website or its calculator results.

8. Third-Party Links

Our website may contain links to third-party websites. These links are provided for convenience only. We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party websites.

9. Changes to Terms

We reserve the right to update these Terms of Service at any time. Changes will be effective immediately upon posting. Your continued use of the website after changes constitutes acceptance of the updated terms.

10. Governing Law

These terms shall be governed by and construed in accordance with applicable laws. Any disputes shall be resolved through good-faith negotiation before pursuing legal remedies.

11. Contact

For questions about these Terms of Service, visit our Contact page.