Your Personal
Health Hub
Free, science-backed health calculators for weight, nutrition, fitness, sleep, pregnancy, and more.
100
Free Tools
11
Categories
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Most Popular Tools
Start with these high-impact calculators
BMI Calculator
Calculate your Body Mass Index and find out if you're in a healthy weight range based on height and weight.
Body Fat % Calculator
Estimate your body fat percentage using measurements like neck, waist, and hip circumference.
BMR Calculator
Calculate your Basal Metabolic Rate — the calories your body burns at complete rest each day.
TDEE Calculator
Find your Total Daily Energy Expenditure — how many calories you actually burn per day including activity.
Calorie Deficit Calculator
Calculate the right calorie deficit to lose weight safely at your desired pace.
Weight Loss Calculator
Plan your weight loss journey — enter your goal and see how long it will take and how many calories to eat.
Macro Calculator
Get your personalized macros — protein, carbs, and fats — based on your goals and body stats.
Protein Intake Calculator
Find your optimal daily protein intake based on weight, activity, and fitness goals.
Water Intake Calculator
Calculate how much water you should drink daily based on weight, activity, and climate.
One Rep Max Calculator
Calculate your 1RM for bench press, squat, deadlift and any lift using reps and weight.
Running Pace Calculator
Calculate your running pace, finish time, or distance — great for race day planning.
Sleep Cycle Calculator
Find the best times to wake up based on 90-minute sleep cycles so you feel refreshed, not groggy.
Pregnancy Due Date Calculator
Calculate your estimated due date based on last menstrual period or conception date.
Ovulation Calculator
Predict your ovulation date and fertile window based on your menstrual cycle length.
Blood Pressure Checker
Enter your blood pressure reading and instantly know if it's normal, elevated, or high.
Browse by Category
Find the right tool for your health goal
Weight & Body
Calculate BMI, body fat, ideal weight and more
Calories & Metabolism
BMR, TDEE, calorie deficit and surplus calculators
Nutrition & Diet
Macros, protein, water, fiber and diet planning
Fitness & Exercise
One rep max, VO2 max, heart rate zones and more
Sleep
Sleep cycles, debt, bedtime and nap calculators
Women & Reproductive Health
Pregnancy, ovulation, fertility and period tracking
Medical & Clinical
Blood pressure, sugar, cholesterol and clinical tools
Mental & Lifestyle
Stress, anxiety, mood, screen time and wellness
Age & Longevity
Biological age, heart age, longevity estimators
Baby & Kids
Baby age, child BMI, feeding, vaccines and development
Sports & Performance
Marathon pace, cycling FTP, swim pace and race time
Why Use MyVitalsHub?
Built with accuracy and simplicity in mind
100% Free
Every tool is completely free — no hidden costs, no subscriptions, ever.
Science-Backed
All calculations use validated medical formulas and clinical guidelines.
Mobile Friendly
Optimized for all devices — phone, tablet, or desktop.
Privacy First
No data stored, no accounts needed. Your health data stays with you.
All 100 Tools
Every tool at a glance
Start tracking your health today
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