health
16 tools available
Available Tools
Body Fat Calculator
Calculate your body fat percentage using Navy method or BMI formula. Track fitness progress with accurate measurements.
Macro Calculator
Calculate your daily macronutrient needs for your fitness goals. Get personalized protein, carbs, and fat targets.
One Rep Max Calculator
Calculate your one rep max (1RM) for any lift. Estimate max strength using weight and reps performed.
Heart Rate Zones Calculator
Calculate your heart rate training zones based on age. Optimize cardio workouts with zone training.
Pregnancy Weight Tracker
Track healthy weight gain during pregnancy. Get personalized recommendations based on your starting BMI.
Sleep Calculator
Calculate the best time to sleep or wake up. Optimize sleep cycles for better rest and energy.
Blood Alcohol Calculator
Estimate your blood alcohol content (BAC) based on drinks, weight, and time. For educational purposes only.
Ideal Weight Calculator
Calculate your ideal body weight using multiple scientific formulas. Robinson, Miller, Devine, and Hamwi methods.
Running Pace Calculator
Calculate running pace, speed, and race times. Plan your training for 5K, 10K, half marathon, and marathon.
VO2 Max Estimator
Estimate your VO2 max and aerobic fitness level. Use your running time or heart rate data.
Water Reminder Timer
Stay hydrated with our water reminder timer. Set drinking goals, get notifications, and track your daily water intake for better health.
Breathing Exercise Timer
Practice guided breathing exercises with our timer. Try 4-7-8, box breathing, and custom techniques for relaxation, focus, and stress relief.
Eye Strain Timer (20-20-20)
Protect your eyes from screen strain with our 20-20-20 rule timer. Get reminders to look away every 20 minutes and reduce digital eye fatigue.
TDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) and BMR. Get personalized calorie targets and macros for weight loss, maintenance, or muscle gain.
Ovulation Calculator
Free ovulation calculator to predict your fertile window and ovulation date. Track your menstrual cycle and find the best days to conceive.
Pregnancy Due Date Calculator
Free pregnancy due date calculator. Calculate your estimated due date based on last period, conception date, or ultrasound. Track pregnancy milestones.
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