All calculators, articles, and content on WellCal are designed for general wellness education only. This page explains the scope and limitations of every tool we publish — please read it carefully.
Nothing on WellCal — including any calculator result, article, health guide, or tool — constitutes medical advice, diagnosis, or treatment. Always consult a qualified, licensed healthcare professional before making any decision about your health, diet, exercise, or medication.
This Medical Disclaimer applies to all content published on mywellcal.com, including but not limited to:
BMI, calorie, macro, protein, water intake, sleep, fiber, cholesterol ratio, diabetes risk, pregnancy due date, ovulation, and body age calculators.
All health guides, nutrition articles, wellness tips, and educational blog posts published on the WellCal blog and health tips sections.
Any suggestions, targets, ranges, or results generated by our tools or stated in our content — including daily calorie targets, hydration recommendations, and sleep schedules.
Links to third-party health organisations (WHO, CDC, Mayo Clinic, etc.) are provided for reference only. WellCal is not affiliated with these organisations.
WellCal is a free wellness education platform. It is not a medical practice, and no content on this website should be treated as:
The relationship between you and WellCal is not a doctor-patient relationship. The information we provide is for general educational purposes only. Individual health circumstances vary enormously, and only a licensed clinician who knows your full medical history can give you appropriate, personalised advice.
WellCal's calculators use validated, peer-reviewed formulas endorsed by leading health authorities. However, all formula-based tools have inherent limitations you should understand before interpreting your results:
Each WellCal tool has specific limitations relevant to its subject matter. The table below summarises the intended use and key limitations for each calculator.
| Calculator | Intended Use | Key Limitation | See a Doctor If… |
|---|---|---|---|
| BMI | General weight category screening | Does not distinguish muscle from fat; not accurate for athletes, elderly, or children | BMI is below 18.5 or above 30 |
| Calorie Calculator | Estimate daily energy needs (TDEE) | Cannot account for metabolic disorders, medications, or body composition differences | You have diabetes, thyroid issues, or an eating disorder history |
| Macro Calculator | Approximate macronutrient targets | General ratios only; clinical conditions may require specific macro management | You have kidney disease, diabetes, or follow a medically prescribed diet |
| Protein Intake | Estimate daily protein target | High protein targets may not be appropriate for kidney or liver conditions | You have a diagnosed kidney or liver condition |
| Water Intake | Personalised daily hydration estimate | Does not account for medical conditions affecting fluid balance | You have heart failure, kidney disease, or are on diuretics |
| Sleep Calculator | Suggest bedtime/wake-up based on sleep cycles | Does not diagnose sleep disorders; cycle length varies individually | You experience chronic insomnia, sleep apnoea symptoms, or excessive fatigue |
| Cholesterol Ratio | General cardiovascular risk indication | Not a substitute for a full lipid panel interpreted by a clinician | Ratio is outside normal range, or you have a family history of heart disease |
| Diabetes Risk | Screening-level risk awareness tool | Cannot diagnose diabetes; risk score is an estimate, not a clinical assessment | Score is moderate or high, or you have symptoms of diabetes |
| Fiber Intake | Estimate daily fiber needs by age & sex | Does not account for gastrointestinal conditions requiring fiber restriction | You have IBS, Crohn's, colitis, or other GI conditions |
| Pregnancy Due Date | Estimate delivery date via Naegele's rule | Based on last menstrual period only; IVF, irregular cycles, or ultrasound may give different dates | Always — prenatal care requires ongoing professional supervision |
| Ovulation Calculator | Estimate fertile window based on cycle length | Assumes regular cycles; conditions like PCOS significantly affect ovulation timing | You have irregular cycles, PCOS, or fertility concerns |
| Body Age | Biological age estimate based on lifestyle | Highly approximate; lifestyle-based models have significant individual variance | Result differs significantly from chronological age; seek a clinical metabolic assessment |
The following groups should always consult a licensed healthcare professional before using WellCal's calculator results to make any health-related decision:
Pregnant individuals — all stages of pregnancy require ongoing clinical supervision.
Children and adolescents — standard adult formulas do not apply to those under 18.
People with diabetes (Type 1 or Type 2) — dietary and caloric targets require medical management.
People with cardiovascular disease — cholesterol, calorie, and activity targets must be clinically supervised.
People with kidney or liver disease — protein, fluid, and nutrient needs differ significantly.
People with eating disorders — calorie and macro calculators can be harmful; please seek professional support.
People on prescription medications — many medications affect metabolism, weight, and nutrient absorption.
People with thyroid or hormonal conditions — these significantly affect calorie needs and weight regulation.
Post-surgical patients — metabolic and dietary needs following surgery require clinical guidance.
The elderly (65+) — age-related physiological changes affect the accuracy of standard formulas.
If you or someone near you is experiencing a medical emergency, call your local emergency services immediately (999 in the UK, 911 in the US, 112 in Europe, or your regional equivalent). Do not search the internet or use a health calculator during a medical emergency.
WellCal is not an emergency resource and is not equipped to respond to urgent medical situations. Signs of a medical emergency that require immediate attention include but are not limited to:
WellCal is committed to publishing content that is accurate, evidence-based, and honest. Our editorial principles are:
WellCal's calculators and content reference guidance from the following internationally recognised health authorities and institutions:
World Health Organization — BMI classification, obesity thresholds
Centers for Disease Control — BMI, healthy weight, diabetes risk
National Institutes of Health — BMI, cardiovascular guidelines
American Heart Association — cholesterol, cardiovascular risk
American College of Obstetricians — pregnancy due date, ovulation
Mifflin-St Jeor equation — calorie estimation methodology
National Sleep Foundation — sleep cycle duration and stages
National Academies — dietary reference intakes for water
Referencing these organisations does not imply endorsement of WellCal by any of them. Links to their websites are provided for verification and further reading only.
We make every reasonable effort to ensure that the information and formulas on WellCal are accurate, current, and consistent with leading clinical guidance. However:
To the fullest extent permitted by applicable law, WellCal and its operators shall not be held liable for any harm, injury, loss, or damage — whether direct, indirect, incidental, or consequential — arising from:
This disclaimer is incorporated into and forms part of WellCal's Terms & Conditions. Nothing in this disclaimer excludes or limits liability for death or personal injury caused by negligence, or for fraud or fraudulent misrepresentation.
If you have a question about this Medical Disclaimer, believe you have found an inaccuracy in one of our calculators or articles, or would like to report a concern about any content on WellCal, please get in touch. We take all reports seriously and respond within 2 business days.
Please note: we are not able to provide personalised medical advice via email. For clinical health questions, please consult a licensed healthcare provider.
This Medical Disclaimer was last updated on April 12, 2026 and applies to all content on mywellcal.com.
Also see our Privacy Policy and Terms & Conditions. Questions? Email hello@mywellcal.com.