Not a Substitute for Professional Medical Advice
The information provided on this website is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician, registered dietitian, or other qualified healthcare provider with any questions you may have regarding a medical condition, dietary plan, nutrition goals, or fitness regimen. Never disregard professional medical advice or delay in seeking it because of something you have read or calculated on this website.
If you think you may have a medical emergency, call your doctor, go to the emergency department, or call emergency services immediately. The calculators on this site cannot detect, diagnose, or treat any medical condition.
Accuracy of Calculations
While we strive to use the most accurate and well-established scientific formulas available, all calculations provided by TDEEBMR are estimates based on population-level predictive equations. Individual results can and do vary significantly from calculated values due to factors including but not limited to genetics, hormonal status, body composition, metabolic health, medication use, and measurement accuracy.
The formulas we use (Mifflin-St Jeor, Harris-Benedict, Katch-McArdle, and others) have documented accuracy rates that typically fall within 10% of measured values for approximately 70-90% of the population, depending on the formula and individual characteristics. This means your actual metabolic rate may differ from our estimates by 200-400 calories per day or more.
We do not guarantee the accuracy, completeness, or reliability of any calculations, estimates, or information provided on this website. Users should treat all results as approximate starting points for discussion with a qualified healthcare professional.
Special Populations Warning
Important Notice
The following individuals should not use TDEEBMR tools without direct supervision and approval from a qualified healthcare professional:
- Pregnant or breastfeeding women: Nutritional needs during pregnancy and lactation are significantly different from standard calculations and require specialized medical guidance.
- Children and adolescents under 18: Growing bodies have unique nutritional requirements that are not accurately represented by adult predictive equations. Pediatric nutritional guidance should come from a qualified pediatrician or pediatric dietitian.
- Individuals with eating disorders: Calorie counting, weight tracking, and body composition focus can be triggering or harmful for individuals with current or past eating disorders, including anorexia nervosa, bulimia nervosa, binge eating disorder, and other specified feeding or eating disorders (OSFED). If you struggle with disordered eating, please contact the National Eating Disorders Association (NEDA) helpline or a qualified mental health professional.
- Individuals with medical conditions: People with diabetes, thyroid disorders, kidney disease, liver disease, heart conditions, cancer, or other metabolic or chronic illnesses may have nutritional needs that differ substantially from standard calculations. Always consult your treating physician before making dietary changes.
- Elderly individuals (over 65): Age-related changes in metabolism, body composition, and nutritional needs may make standard equations less accurate. Geriatric nutritional guidance should be personalized by a healthcare professional.
- Individuals taking medications that affect metabolism: Certain medications, including corticosteroids, beta-blockers, antidepressants, and anticonvulsants, can significantly alter metabolic rate and nutritional requirements.
Limitation of Liability
To the fullest extent permitted by applicable law, TDEEBMR, its owners, operators, contributors, and affiliates shall not be liable for any direct, indirect, incidental, special, consequential, or exemplary damages, including but not limited to damages for loss of health, injury, medical expenses, lost wages, or any other losses arising from or related to the use of, or inability to use, the calculators, tools, content, or services provided on this website.
You expressly agree that your use of this website and any information, calculations, or recommendations obtained herein is at your sole risk. We do not assume any responsibility or liability for the accuracy, completeness, or usefulness of any information provided, nor for any health outcomes resulting from the application of information found on this site.
External Links Disclaimer
This website may contain links to external websites, resources, references, and third-party content. These links are provided for your convenience and educational purposes only. We do not endorse, control, or assume responsibility for the content, accuracy, privacy practices, or opinions expressed on any external websites. The inclusion of external links does not imply our endorsement of the linked content or the views expressed therein.
We cannot guarantee that external websites will remain accessible or that their content will remain accurate over time. Users are encouraged to verify any information obtained through external links with primary sources and qualified professionals.
Changes to This Disclaimer
We reserve the right to modify, update, or change this Medical Disclaimer at any time without prior notice. Any modifications will be effective immediately upon posting on this page. Your continued use of the website following the posting of changes constitutes your acceptance of such changes. We encourage you to review this disclaimer periodically for any updates.
Contact Us
If you have questions or concerns about this Medical Disclaimer, please contact us. We are committed to addressing your inquiries promptly and responsibly.
Last updated: November 3, 2026