Wellness and Mindfulness

  • PHQ-9 Depression Score Calculator
    Score the PHQ-9 depression questionnaire (0-27) and see your severity level: minimal, mild, moderate, moderately severe, or severe.
  • Meditation Streak & Total Minutes Calculator
    Track your meditation streak: enter minutes per session, sessions per day and days to see total minutes, hours and sessions accumulated.
  • 20-20-20 Rule Eye Break Calculator
    Calculate how many 20-20-20 eye breaks you should take based on your screen time. Every 20 minutes, look 20 feet away for 20 seconds.
  • Screen Time Percentage Calculator
    Find what percent of your day and waking hours you spend on screens. Convert daily screen time to minutes and full days per year, instantly.
  • Life Expectancy Calculator
    Estimate your life expectancy from age, gender, and lifestyle factors like smoking, exercise, diet, and alcohol. Free, instant, educational estimate.
  • Sauna Calories Burned Calculator
    Estimate how many calories you burn in the sauna based on your body weight, session length and intensity (MET) using the standard MET formula.
  • Sleep Cycle Calculator
    Enter your wake-up time to see recommended bedtimes and the total hours of sleep for each option, aligned with natural sleep cycles.
  • Biorhythm Compatibility Calculator
    Compare two people's biorhythms. Get Physical, Emotional and Intellectual compatibility (0-1) from birthday gaps, plus a one-month difference graph.
  • Biorhythm Calculator
    Free biorhythm calculator: enter your birth date and a reference date to find Physical, Emotional and Intellectual cycle values, phases and critical days.
  • Weighted Blanket Calculator
    Calculate the ideal weighted blanket weight from your body weight using the 10% + 1 lb rule, plus an 8–12% acceptable range.
  • Quit Smoking and Save Calculator
    Calculate how much money you save by quitting smoking. Enter cigarettes per day, pack size, price and years to see daily, monthly and total savings.
  • GAD-7 Anxiety Score Calculator
    Calculate your GAD-7 anxiety score by summing 7 items (0-3 each). Get your total out of 21 and severity level: minimal, mild, moderate, or severe.
  • Wake Up Time Calculator
    Find the best time to wake up based on your bedtime and 90-minute sleep cycles, plus 14 minutes to fall asleep. Wake refreshed between cycles.
  • Fatigue Severity Scale (FSS) Calculator
    Calculate your Fatigue Severity Scale (FSS) score from 9 statements rated 1-7. Get the mean score instantly with interpretation guidance.
  • Baby & Toddler Sleep Needs Calculator
    Find how many hours of sleep your baby or toddler needs by age. Get total daily sleep plus a suggested night-sleep target based on nap hours.
  • Melatonin Dosage Calculator
    Estimate a weight-based melatonin dose in mg using dose-per-kg and a safety cap. Educational tool — always confirm with a doctor or pharmacist.
  • STOP-BANG Sleep Apnea Calculator
    Calculate your STOP-BANG score (0–8) to screen for obstructive sleep apnea risk. Answer 8 yes/no questions and get your low, intermediate, or high risk category.
  • Epworth Sleepiness Scale Calculator
    Calculate your Epworth Sleepiness Scale (ESS) score by rating 8 everyday situations (0-3). Get a 0-24 total and daytime sleepiness interpretation.
  • AUDIT-C Alcohol Screening Calculator
    Score the 3-question AUDIT-C alcohol screening test (0-12). Sex-specific cutoffs flag possible alcohol misuse: men ≥4, women ≥3.
  • Smoking Recovery Calculator
    Calculate how many cigarettes you've avoided and how much money you've saved since quitting smoking, based on your smoke-free days and habits.
  • Sobriety Calculator
    Count your days sober from your start date and see weeks, years, and the money you've saved by quitting. Free, instant sobriety tracker.
  • Fagerstrom Nicotine Dependence Test Calculator
    Estimate your level of physical nicotine dependence by scoring 8 smoking-habit questions from the classic Fagerstrom Tolerance Questionnaire (0-11 points).
  • Wake-Up Time Calculator
    Find the best time to wake up based on 90-minute sleep cycles. Enter your bedtime and fall-asleep time to see refreshing wake times for 4, 5, and 6 cycles.
  • REM Sleep Calculator
    Estimate how many minutes of REM sleep you get per night. Enter your total sleep time to calculate ~20–25% REM duration instantly.

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