14 free tools · Mobile-ready · Clinician-reviewed methods
Tap any card to open a dedicated tool page — BMI, BMR, pregnancy, symptoms, glossary, weather, and more. Each includes its formula, method, and medical disclaimer.
Calculate Body Mass Index using WHO international weight categories. Instant underweight, normal, overweight, or obesity classification.
WHO: weight (kg) divided by height (m) squared
Estimate daily calorie needs for maintenance, loss, or gain based on age, sex, height, weight, and activity.
Mifflin-St Jeor BMR with activity multiplier
Basal metabolic rate and total daily energy expenditure using the Mifflin-St Jeor equation.
Mifflin-St Jeor BMR x activity factor
Due date, gestational age, and trimester from LMP or conception date with week-by-week timeline.
Naegele rule (LMP + 280 days)
Healthy weight range from height and sex using the Robinson formula with plus/minus 10% band.
Robinson formula by height and sex
Daily fluid intake in litres and cups from body weight and activity level.
33 ml per kg with activity adjustment
Abbreviation dictionary, lab value guide, WHO child growth percentiles, and emergency numbers.
WHO growth curves and lab reference intervals
Browse symptoms by body area with plain-language explanations and when to seek urgent care.
Curated symptom library with body map
Search conditions with overview, typical symptoms, and links to find specialists.
Indexed condition articles
Look up medical terms, abbreviations, and definitions from reports and prescriptions.
Searchable A-Z terminology
Temperature, humidity, UV index, and air quality for any city — asthma, allergies, and travel planning.
Open-Meteo weather and AQI
Convert medical travel costs between currencies for international care planning.
Live exchange rate lookup
Search flights for medical tourism and cross-border healthcare travel.
Flight search integration
Yes. All calculators and reference tools are free in your browser. No account is required for most tools.
No. They are for general education only. Always consult a licensed doctor, nurse, or pharmacist for diagnosis and treatment.
Our BMI calculator uses the WHO standard: BMI equals weight in kilograms divided by height in metres squared.
Yes. Each card opens a dedicated tool page with full calculator or reference content — not an on-page section.