⚠️ Important: The BMI Calculator, Calorie Calculator, Ideal Weight Calculator, Body Fat Calculator, and all other tools on this website are for informational and educational purposes only. They are NOT a substitute for professional medical advice, diagnosis, or treatment.
1. Not Medical Advice
The information provided by the calculators and content on hasnainyasin.com does not constitute medical advice. The results generated by our tools — including BMI values, calorie estimates, ideal weight ranges, and body fat percentages — are general estimates based on population-level mathematical formulas.
These results should never be used to:
- Diagnose any health condition or disease
- Make changes to medications or medical treatment
- Replace or delay consulting a qualified healthcare professional
- Self-treat any medical condition
- Make clinical decisions without professional evaluation
2. Consult a Healthcare Professional
Always seek the advice of your physician, registered dietitian, or other qualified health provider with any questions you may have regarding:
- Your weight, BMI, or body composition
- A healthy diet and calorie intake for your specific situation
- An exercise or physical activity programme
- Any medical condition you have or suspect you may have
- Any symptoms you are experiencing
Never disregard professional medical advice or delay seeking it because of something you have read on this website.
3. Limitations of BMI
Body Mass Index (BMI) is a screening tool based on height and weight alone. It has well-documented scientific limitations:
- BMI does not measure body fat directly. It cannot distinguish between muscle, fat, and bone mass.
- BMI may misclassify athletes as overweight or obese due to high muscle mass, despite having healthy levels of body fat.
- BMI may underestimate health risks in older adults or those with low muscle mass who carry excess fat at a normal BMI.
- BMI thresholds differ by ethnicity. South Asian, East Asian, and some other populations have different health risk profiles at the same BMI values compared to European populations.
- BMI is not appropriate for children using adult thresholds. Children require age- and sex-specific percentile charts.
- BMI does not account for fat distribution, which is a key predictor of metabolic health risk.
4. Limitations of the Calorie Calculator
The calorie estimates provided are based on the Mifflin-St Jeor equation, which is considered one of the most accurate predictive formulas for non-athletic adults. However:
- Actual calorie needs vary significantly between individuals due to genetics, hormones, and health conditions.
- The formula may not be accurate for athletes, pregnant or breastfeeding women, or individuals with certain medical conditions (such as thyroid disorders).
- Do not follow extreme calorie restriction without medical supervision. Going below 1,200 kcal/day (women) or 1,500 kcal/day (men) without guidance can be harmful.
5. Limitations of the Body Fat Calculator
The body fat percentage estimation uses the US Navy circumference method, which is a simplified estimation technique. It has a margin of error of approximately ±3–4% compared to clinical methods. For the most accurate body fat measurement, consult a healthcare professional who can arrange a DEXA scan, hydrostatic weighing, or other validated clinical assessment.
6. Emergency Situations
If you are experiencing a medical emergency, call your local emergency services (e.g., 115 in Pakistan, 999 in the UK, 911 in the US) immediately. Do not use this website or any online tool to seek help in an emergency.
7. Accuracy of Information
While we make every effort to ensure the accuracy and currency of the health information provided on this website, we make no warranties — express or implied — about the completeness, accuracy, reliability, or suitability of the information. Medical science is continuously evolving, and some information may become outdated over time.
✓ Our formulas are based on peer-reviewed medical research and guidelines from the World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC), and the American Council on Exercise (ACE). However, application of these formulas to any individual may produce results that differ from their true health status.
8. Affiliate and External Links
This website may contain links to external health organisations, medical information sources, or other third-party websites. These links are provided for informational purposes only. We do not endorse, control, or take responsibility for the content of any linked third-party website.
9. No Liability
To the fullest extent permitted by applicable law, Hasnain Yasin and hasnainyasin.com expressly disclaim all liability for any adverse effects resulting directly or indirectly from the use of the calculators, tools, or information on this website. This includes but is not limited to any decision made based on calculator results without consulting a qualified healthcare professional.
10. Questions
If you have questions about this disclaimer or the limitations of our tools, please contact us: