◑ Health
Word counters, formatters, and writing helpers.
◕ BMR Calculator
Calculate your basal metabolic rate with the Mifflin-St Jeor equation and see daily calorie needs by activity level.
◑ HEALTH◨ Blood Alcohol (BAC) Calculator
Estimate blood alcohol concentration from drinks, body weight and time elapsed.
◑ HEALTH▣ Body Fat Calculator
Estimate body fat percentage with the US Navy tape method and see your fat and lean mass in kilos.
◑ HEALTH◈ Calorie Calculator
Estimate daily calories to maintain, lose, or gain weight based on your age, sex, size, and activity.
◑ HEALTH◩ Child Height Predictor
Estimate a child's adult height from both parents' heights using the mid-parental method.
◑ HEALTH◩ Heart Rate Zone Calculator
Find your maximum heart rate and the five training zones for fat burn, endurance, and threshold work.
◑ HEALTH▤ Ideal Weight Calculator
See your ideal body weight range from four clinical formulas plus the healthy BMI range for your height.
◑ HEALTH◑ Lean Body Mass Calculator
Estimate lean mass, fat mass and body fat percentage from height, weight and sex.
◑ HEALTH▥ Macro Calculator
Split your daily calories into protein, carbs, and fat grams for cutting, maintenance, or bulking.
◑ HEALTH New◒ One Rep Max Calculator
Estimate your 1RM from any set and get training percentages for every rep range.
◑ HEALTH◨ Ovulation Calculator
Predict your ovulation day and fertile window from your last period and cycle length.
◑ HEALTH◧ Pregnancy Due Date Calculator
Estimate your due date and current pregnancy week from your last menstrual period or conception date.
◑ HEALTH◧ Pregnancy Week Calculator
Find out how many weeks pregnant you are, your trimester and the estimated due date.
◑ HEALTH▦ Protein Intake Calculator
Work out how much protein to eat each day for health, training or fat loss.
◑ HEALTH◪ Running Pace Calculator
Convert a race time and distance into pace per kilometre and per mile, and predict finish times.
◑ HEALTH◫ Sleep Calculator
Find the best times to go to bed or wake up based on 90-minute sleep cycles.
◑ HEALTH New◓ Sleep Cycle Calculator
Find bedtimes and wake times that land between 90-minute sleep cycles so you wake up refreshed.
◑ HEALTH◐ Sleep Debt Calculator
Find out how much sleep you owe yourself this week and how long recovery takes.
◑ HEALTH▥ TDEE Calculator
Calculate total daily energy expenditure and the calorie targets for losing or gaining weight.
◑ HEALTH◫ VO2 Max Calculator
Estimate aerobic fitness from your age and resting heart rate — no treadmill test needed.
◑ HEALTH◪ Waist to Hip Ratio Calculator
Measure body fat distribution and cardiovascular risk with the WHO waist-to-hip ratio.
◑ HEALTH▦ Water Intake Calculator
Find how much water to drink per day based on your weight, activity, and climate.