Wellness and Mindfulness

  • Daily Caffeine Intake Calculator
    Add up caffeine from coffee, espresso, tea, energy drinks and soda. See your total mg per day and how it compares to the 400 mg safe limit.
  • 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.
  • Box Breathing Calculator
    Calculate box breathing cycle length, total cycles, and breaths per minute for any session. Plan your 4-4-4-4 breathing routine in seconds.
  • 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.
  • Alcohol Units Calculator (UK)
    Calculate UK alcohol units from drink volume and ABV. Free units calculator for beer, wine and spirits using the official NHS formula.
  • 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.
  • 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.
  • 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.
  • 90 Minute Sleep Cycle Calculator
    Find the best time to wake up using 90-minute sleep cycles. Enter your bedtime and get wake times for 4, 5 and 6 full cycles to feel refreshed.
  • 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.
  • 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.
  • Alcohol Recovery Savings Calculator
    Calculate how much an addiction has cost you and how much you could save in a year by quitting. Free recovery savings calculator.
  • 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.
  • Cigarette Cost Calculator
    Find out how much smoking really costs you. Calculate your daily, weekly, monthly and yearly cigarette spending based on packs, price and habit.
  • 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.
  • 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.
  • 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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