Disclaimer
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Last updated: August 12, 2026
At a glance
- Not medical advice
- Estimates, not exact values
- Consult a professional
All content and tools on Mifflin St Jeor Calculator are provided strictly for informational and educational purposes. Nothing on this site constitutes medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about your diet, exercise, or health.
The BMR and TDEE figures produced by our calculator are estimates derived from the Mifflin-St Jeor equation. Individual energy expenditure varies based on body composition, genetics, hormones, and health conditions. Results may differ from indirect calorimetry or a clinical assessment by ±5–10% or more.
This tool is not a substitute for professional medical or nutritional guidance. Do not rely on it as the sole basis for medical decisions, weight-management plans, or treatment of any condition.
You use this website and its calculations at your own risk. We disclaim liability for any consequences, losses, or damages — direct or indirect — arising from the use of, or reliance on, the information and tools provided here.
Articles and pages may link to third-party websites for reference. We are not responsible for the accuracy, content, or privacy practices of external sites, and do not endorse their content.
We strive for accuracy but make no warranty regarding the completeness, reliability, timeliness, or availability of this website or its results. Features and calculations may change without notice.