Health Calculators
Simple health and wellness calculators — BMI, calories and daily water intake.
Everyday health screening tools using standard equations (Mifflin–St Jeor for calories, WHO BMI categories). These are informational only and are not a substitute for medical advice from a registered healthcare professional.
Informational wellness estimates
Health calculators are best used as broad screening and planning tools. BMI, calorie needs and water intake estimates can help you understand general ranges, but they cannot diagnose a condition, account for pregnancy, medication, chronic illness, athletic training loads, disability, injury recovery or the advice of your doctor, dietitian or other healthcare professional. They are intended to support everyday education, not replace a consultation.
Read results with context
A single number should not be treated as a complete picture of health. Body composition, waist measurement, blood pressure, glucose, fitness, sleep, age and medical history all matter. Use these calculators to prepare questions, set approximate goals and track changes over time, then consult a registered professional before making major diet, exercise, hydration or medical decisions. If a result worries you, get personalised medical advice rather than self-diagnosing online or making abrupt lifestyle changes.