Free to Use

Your Trusted Health Calculation Platform

Whether you are a doctor, medical student, or simply someone taking charge of their health, our scientifically-backed calculators provide accurate answers to your medical and fitness questions. From determining your BMI and calculating calorie needs to pregnancy tracking and medication dosing, we've got your health covered with professional-grade tools that are completely free to use.

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Body Composition & Weight

Assess your body metrics and composition

Calculate your Body Mass Index and understand BMI ranges for optimal health assessment.
Determine your body fat percentage using multiple scientifically validated methods.
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Metabolism & Calories

Calculate your metabolic rate and calorie needs

Calculate your Basal Metabolic Rate using Harris-Benedict or Mifflin-St Jeor formulas.
Calculate daily calorie needs based on activity level and goals.
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Heart Health & Cardio

Monitor cardiovascular health and fitness

Calculate target heart rate zones for optimal exercise intensity.
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Women's Health & Pregnancy

Specialized calculators for women's health needs

Track pregnancy progress, due date, and fetal development milestones.
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Medical & Clinical Tools

Professional medical calculation tools

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Fitness & Exercise

Optimize your workout and fitness planning

Medical Disclaimer

Important: All calculators on this page are for educational and informational purposes only. They should not replace professional medical advice, diagnosis, or treatment. Always consult with qualified healthcare professionals for medical conditions, concerns, or before making any health-related decisions. These tools use scientifically validated formulas but individual health needs may vary significantly.