Frequently Asked Questions

HealthHub is a free AI-powered health platform offering 30+ health calculators, personalized diet and workout planners, sleep coaching, health assessments, and wellness tracking tools to help you achieve your health goals.

Yes! All calculators, AI tools, and features on HealthHub are completely free. We believe everyone should have access to quality health information and tools.

No account is needed to use most calculators. However, creating a free account lets you save your results, track progress, set health goals, and get personalized recommendations.

We offer over 30 health calculators including BMI, BMR, TDEE, body fat, ideal weight, lean body mass, heart rate zones, VO2 max, sleep cycle, pregnancy, ovulation, calorie counter, protein, macro, water intake, and more.

Our calculators use established medical formulas and evidence-based guidelines. BMI uses the standard WHO formula, BMR uses the Harris-Benedict equation, and body fat uses the US Navy method. Results are estimates and should be used as reference only.

Yes, if you create a free account, you can save your calculation history, track changes over time, and generate health reports.

The AI Diet Planner creates personalized meal plans based on your age, weight, height, activity level, dietary preferences, and health goals. It considers caloric needs, macronutrient ratios, and nutritional balance.

Our AI tools provide general guidance based on common health principles. However, they are not a substitute for professional medical advice. Always consult a healthcare provider for personalized medical recommendations.

Yes, we take data privacy seriously. Your health data is encrypted and never shared with third parties. We follow industry-standard security practices. See our Privacy Policy for details.

HealthHub works on all modern browsers including Chrome, Firefox, Safari, and Edge. The site is fully responsive and works on desktop, tablet, and mobile devices.