About VitalCalc

Your trusted source for free, evidence-based fitness and health calculators.

Our Mission

VitalCalc is dedicated to making health and fitness information accessible to everyone. We provide free, easy-to-use calculators based on scientifically validated formulas to help you make informed decisions about your health and wellness journey.

Why We Built This

Understanding your body's needs shouldn't require expensive consultations or complex software. We believe that everyone deserves access to accurate health metrics and calculations.

Our calculators use well-established formulas like the Mifflin-St Jeor equation for BMR, the U.S. Navy Method for body fat, and the Karvonen Formula for heart rate zones. These methods are backed by research and used by health professionals worldwide.

What We Offer

  • ✓8 Comprehensive Calculators: BMI, BMR/TDEE, Calorie Needs, Macros, Running Pace, Body Fat, Heart Rate Zones, and Water Intake
  • ✓Evidence-Based: All calculations use scientifically validated formulas
  • ✓Free Forever: No subscriptions, no hidden fees, no account required
  • ✓Privacy First: Your data stays in your browser - we don't store personal information
  • ✓Mobile Friendly: Use our calculators on any device, anywhere

Important Disclaimer

Medical Disclaimer: The calculators and information provided on VitalCalc are for educational and informational purposes only. They are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Always consult with a qualified healthcare professional before making decisions about your health, starting a new exercise program, or making significant dietary changes. Individual results may vary.

Read our full disclaimer →

Contact & Support

We're committed to providing accurate, helpful tools. If you have questions, suggestions, or feedback, we'd love to hear from you.

Have a suggestion? We're always looking to improve and add new calculators.

Found an issue? Let us know so we can fix it quickly.

Ready to Start Calculating?

Explore our free calculators and take control of your health journey today.

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