Last updated: June 5, 2026
Not Medical Advice
The content, calculators, reference data, and all other information provided on MyVitalCalc is intended solely for general informational and educational purposes. It does not constitute medical advice, diagnosis, or treatment of any kind, and should not be used as a substitute for the advice, diagnosis, or treatment of a qualified, licensed healthcare professional.
If you believe you are experiencing a medical emergency, call 911 (US) or your local emergency number immediately. Do not use this website to diagnose or respond to emergencies. Signs of a hypertensive crisis, heart attack, stroke, or other acute conditions require immediate professional medical attention.
1. No Medical Advice or Physician-Patient Relationship
Nothing on this website โ including text, calculator results, reference tables, charts, formulas, or any other content โ should be construed as medical advice or as a recommendation for any specific treatment, medication, diet, exercise program, or health intervention.
Your use of MyVitalCalc does not create a physician-patient relationship, a dietitian-client relationship, or any other professional healthcare relationship between you and MyVitalCalc or its operators. MyVitalCalc's calculators are tools to help you understand publicly available population-level health data โ they are not personalized medical assessments.
2. All Results Are Estimates Only
Every result produced by MyVitalCalc's calculators is a mathematical estimate derived from population-level formulas and generalized reference data. These estimates are based on research conducted on large groups of people and may not apply accurately to any given individual.
Factors that our calculators cannot account for include, but are not limited to:
- Individual medical history and pre-existing conditions
- Current medications and their effects on metabolism, weight, or other health parameters
- Hormonal status (including thyroid function, reproductive hormones, insulin sensitivity)
- Genetic and ethnic factors affecting body composition, disease risk, and nutritional needs
- Muscle mass distribution, hydration status, and bone density
- Mental health conditions that interact with physical health
- Pregnancy complications, gestational conditions, or obstetric history
- Pediatric growth variations, developmental status, and puberty stage
A result that appears normal, healthy, or optimal based on a population-level formula may not be appropriate for your specific circumstances. Conversely, a result that appears concerning may not reflect an actual health problem when evaluated by a clinician with full knowledge of your situation.
3. Consult a Qualified Healthcare Professional
Before making any changes to your diet, exercise routine, medication regimen, or other health behaviors based on information from this website, you should consult a qualified healthcare professional appropriate to your situation. Depending on your needs, this may include:
- A physician, medical doctor (MD), or doctor of osteopathic medicine (DO)
- A registered dietitian (RD) or registered dietitian nutritionist (RDN)
- A certified exercise physiologist (EP-C) or certified strength and conditioning specialist (CSCS)
- A licensed clinical psychologist, psychiatrist, or mental health professional
- A board-certified obstetrician-gynecologist (OB-GYN) for pregnancy-related matters
- A pediatrician for matters relating to children's health and growth
- A cardiologist or cardiovascular specialist for heart and blood pressure matters
Never delay seeking, or disregard, professional medical advice because of something you have read or calculated on MyVitalCalc.
4. Notes on Specific Calculators
Blood Pressure Reference: A single blood pressure reading โ especially one taken at home without a validated medical device and proper technique โ cannot diagnose hypertension. Blood pressure varies throughout the day and is affected by many factors including stress, activity, caffeine, and posture. A healthcare provider typically reviews multiple readings taken over time before making a diagnosis or treatment decision.
BMI (Adults and Children): BMI is a population screening tool and is not a direct measure of body fat or health. Athletes may have a high BMI due to muscle mass. Older adults or people with low muscle mass may have a normal BMI despite excess body fat. For children, BMI-for-age percentile is a screening tool only โ not a diagnosis. Discuss any growth concerns with a pediatrician.
Pregnancy Due Date: Estimated due dates are approximations. Actual delivery can vary by weeks in either direction. Obstetric ultrasound and clinical evaluation by an OB-GYN provide far more accurate dating. This tool is for planning reference only โ it does not replace prenatal care.
Vitamin and Mineral Reference: Recommended Dietary Allowances (RDAs) and Tolerable Upper Intake Levels (ULs) are population-level guidelines. Individual needs may differ based on health status, medications, and other factors. Never start, stop, or change a supplement regimen without consulting your healthcare provider. Certain supplements can interact with medications or be harmful in high doses.
Calorie and Macro Calculators: Calculated calorie and macronutrient targets are estimates based on general formulas. Individual metabolic rates vary significantly. People with metabolic conditions, eating disorder history, or specific medical needs should work with a registered dietitian rather than relying on general formulas.
5. Accuracy of Reference Data
MyVitalCalc makes reasonable efforts to ensure that reference data โ including WHO BMI categories, AHA blood pressure guidelines, CDC growth chart percentiles, NSF sleep recommendations, NIH Office of Dietary Supplements RDA values, and MET values โ are accurate and current as of the date this site was published. However, clinical guidelines evolve as new research emerges, and MyVitalCalc cannot guarantee that all content reflects the most current evidence at the time you access it.
MyVitalCalc makes reasonable efforts to keep reference data current, though clinical guidelines evolve over time.
6. Limitation of Liability
MyVitalCalc and its operators make no representations or warranties, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the website or the information, calculators, or related graphics contained on the website for any purpose. Any reliance you place on such information is strictly at your own risk.
MyVitalCalc shall not be liable for any losses, damages, or injuries โ including but not limited to direct, indirect, incidental, punitive, and consequential damages โ arising out of or in connection with your use of, or reliance upon, any content on this website. This limitation of liability applies to the fullest extent permitted by applicable law.
7. External Links
MyVitalCalc may contain links to third-party websites for reference or as affiliate recommendations. These links are provided for convenience only. MyVitalCalc does not endorse the content of any third-party website and is not responsible for the accuracy, safety, or appropriateness of content on those sites. The medical disclaimer, privacy policies, and terms of use of linked sites may differ from MyVitalCalc's.
By accessing and using MyVitalCalc's website, calculators, and reference tools, you acknowledge that you have read and understood this Medical Disclaimer, that you accept these terms, and that you understand MyVitalCalc's content is for general informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment of any kind.