Free Health Tools

Health Calculators

Quick, evidence-based health calculators trusted by Australian healthcare professionals. All tools follow WHO and Australian health guidelines.

BMI Calculator

Calculate your Body Mass Index using the standard formula recommended by the World Health Organisation.

BMI Categories (WHO)

Underweight< 18.5
Healthy18.5 – 24.9
Overweight25 – 29.9
Obese30+

Heart Rate Zones

Calculate your target heart rate training zones based on the Karvonen method.

Important Medical Disclaimer

These calculators are provided for general informational purposes only and do not constitute medical advice. Results should not be used as a substitute for professional medical consultation. If you have health concerns, please consult with an AHPRA-registered doctor. DoccyMed offers real telehealth consultations with qualified Australian doctors.

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