Health Tools
Track BMI, calories, workouts, and health metrics. Tools for a healthier lifestyle.
ToolsHub's free health and fitness tools help you make informed decisions about your wellbeing. With 15+ calculators covering BMI, calories, macros, body fat, sleep cycles, heart rate zones, and more, you have a complete wellness toolkit at your fingertips — no app downloads or account creation required.
The Calorie Calculator uses the Mifflin-St Jeor equation to estimate your basal metabolic rate and total daily energy expenditure. The Sleep Calculator recommends optimal bedtimes and wake times based on 90-minute sleep cycles. The Heart Rate Zones Calculator personalizes training zones using the Karvonen method. And specialized tools like the Ovulation Calculator and Pregnancy Due Date Calculator support family planning.
Privacy is paramount when it comes to health data. Every tool processes your inputs locally in your browser — nothing is sent to any server or stored in any database. Use these tools with confidence as part of your personal health and fitness journey.
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15 toolsBMI Calculator
Calculate your Body Mass Index.
Calorie Calculator
Calculate daily calorie needs.
Body Fat Calculator
Estimate body fat percentage.
Ideal Weight Calculator
Find your ideal body weight.
Calorie Deficit Calculator
Plan weight loss calories.
Macro Calculator
Calculate protein, carbs, fat.
Water Intake Calculator
Daily hydration needs.
Sleep Calculator
Optimal sleep/wake times.
Heart Rate Zones
Training heart rate zones.
VO2 Max Estimator
Estimate cardio fitness.
Pregnancy Due Date
Calculate baby's due date.
Ovulation Calculator
Fertile window calculator.
Period Tracker
Track menstrual cycle.
Running Pace Calculator
Calculate running pace.
Meditation Timer
Timer for mindfulness.
Frequently Asked Questions
Common questions about health tools
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