Health & Fitness
Blood Pressure Category Checker
Determine your blood pressure category and understand your cardiovascular risk using American Heart Association guidelines.
Open calculator
Track BMI, body fat, calorie needs, macros, and other vital health metrics
Determine your blood pressure category and understand your cardiovascular risk using American Heart Association guidelines.
Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI using Institute of Medicine (IOM) guidelines.
Estimate your squat one-rep maximum based on weight and reps performed using the proven Epley formula.
Estimate your bench press one-rep maximum based on the weight and reps you can currently perform using the Epley formula.
Calculate your Body Mass Index (BMI) to determine if you're at a healthy weight based on your height and weight.
Determine how many calories you need per day to maintain, lose, or gain weight based on your personal metrics.
Calculate your Total Daily Energy Expenditure to understand your daily calorie burn based on your basal metabolic rate and activity level.
Determine blood type compatibility for donations and transfusions. Check if a donor and recipient are compatible and see universal donor/recipient information.
Calculate your ovulation day, fertile window, and next period date based on your cycle length. Understand your follicular and luteal phases.
Assess your sleep quality with a comprehensive score based on sleep duration, time to fall asleep, nighttime awakenings, and subjective feeling upon waking.
Estimate your body fat percentage using body measurements with the U.S. Navy method for men and women.
Calculate your five heart rate training zones based on your age and resting heart rate for optimal workout intensity.
Evaluate your posture health based on daily sitting time, screen ergonomics, exercise frequency, and current pain levels. Get personalized break recommendations.
Assess your risk of digital eye strain (computer vision syndrome) based on screen time, viewing distance, break frequency, and screen brightness.
Assess your hearing loss risk based on age, daily noise exposure level, duration, and use of hearing protection. Uses OSHA noise safety guidelines.
Calculate your Basal Metabolic Rate to understand the minimum calories your body needs at complete rest.
Calculate how much water you should drink daily based on your body weight, exercise habits, and environmental factors.
Calculate your waist-to-hip ratio (WHR) to assess your body fat distribution and associated health risks.
Calculate your ideal daily intake of protein, carbohydrates, and fat based on your calorie needs and fitness goals.
Calculate your body surface area (BSA) using multiple validated formulas including Mosteller and Du Bois methods.
Find your ideal body weight range using multiple scientifically validated formulas based on your height and gender.
Determine your optimal daily protein intake based on body weight, activity level, and specific fitness or health goals.
Calculate your recommended daily water intake based on body weight, exercise habits, and environmental factors.
Estimate your biological body age compared to your chronological age based on lifestyle, fitness, and health habits.
Calculate your lean body mass, which is your total weight minus fat mass, using validated estimation formulas.
Estimate your one-rep maximum for any exercise based on the weight and reps you can currently perform.
Calculate your running or walking pace, finish time, or distance for any workout or race distance.
Calculate your target heart rate zones for optimal cardio training using the Karvonen method with your age and resting heart rate.
Estimate your VO2 max, the gold standard measure of aerobic fitness, based on your running time or heart rate data.
Compare two health insurance plans based on annual premiums, deductibles, and copays. Enter your expected doctor visits and prescriptions to see which plan actually costs less for your situation.
Estimate your personal annual CO2 emissions from transportation, home energy, and diet. Understand your environmental impact and find out how much it would cost to offset your footprint.
Estimate your blood alcohol content (BAC) using the Widmark formula based on drinks consumed, body weight, gender, and time elapsed.
Find the best time to go to bed or wake up based on 90-minute sleep cycles to wake feeling refreshed and energized.
Calculate how many calories you burn running based on your weight, distance, pace, and terrain type.
Calculate calories burned while walking based on your body weight, distance covered, and walking speed.
Calculate how many calories you burn while cycling based on body weight, riding duration, and intensity level.
Calculate calories burned while swimming based on your weight, stroke type, intensity, and swim duration.
Estimate your bench press one-rep maximum based on the weight and reps you can currently perform using the Epley formula.
Estimate your squat one-rep maximum based on weight and reps performed using the proven Epley formula.
Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI using Institute of Medicine (IOM) guidelines.
Determine your blood pressure category and understand your cardiovascular risk using American Heart Association guidelines.