Healthy Alive
Free health calculators and tools to help you understand your body better. Calculate BMI, body fat percentage, and get personalized health insights.
Professional-grade health calculators with instant results. Supports metric and imperial units. Your privacy is our priority - no data stored or shared.
Featured Health Calculators
BMI Calculator
Calculate your Body Mass Index instantly. Supports metric (kg/cm) and imperial (lbs/ft) units with BMI categories and health insights.
Body Fat Calculator
Calculate your body fat percentage using the Navy Method. Get accurate results with height, waist, neck, and hip measurements.
Calorie Calculator
Calculate your daily calorie needs using BMR and TDEE. Get personalized goals for weight loss, maintenance, or gain.
Ideal Weight Calculator
Calculate your ideal weight using multiple scientific formulas. Get healthy weight range with Robinson, Miller, Devine, and Hamwi formulas.
Coming Soon
Body Water Calculator
Calculate your body water percentage and hydration needs.
Macro Calculator
Calculate your macronutrient needs for optimal nutrition.
Heart Rate Calculator
Calculate target heart rate zones for exercise training.
Why Choose Healthy Alive?
Instant Results
Get your health calculations instantly as you type. No waiting, no delays.
Privacy First
Your data stays private. No information is stored or shared.
Always Available
Access our calculators 24/7 from any device. No downloads required.