Wellness and Mindfulness

  • Sleep Cycles Calculator
    Calculate how many sleep cycles you completed from your total sleep time. Each cycle is about 90 minutes — enter hours and minutes to see your count.
  • Yoga Calories Burned Calculator
    Estimate calories burned during yoga using the MET formula. Choose your style, enter weight and duration to get kcal burned for Hatha, Vinyasa, Hot yoga and more.
  • BMR Calculator (Mifflin-St Jeor)
    Calculate your Basal/Resting Metabolic Rate with the Mifflin-St Jeor equation. Enter weight, height, age and gender to get daily resting calories.
  • Baby Wake Window Calculator
    Find your baby's next nap or bedtime. Enter age and last wake-up time to get an age-appropriate wake window and recommended sleep time.
  • Total Sleep Time Calculator
    Calculate how many hours you slept between your bedtime and wake time. Handles overnight sleep and subtracts minutes spent awake during the night.
  • Caffeine Cutoff Time Calculator
    Find your caffeine cutoff time — the latest hour to drink coffee before bed. Enter your bedtime and a cutoff window (default 6 hours) for better sleep.
  • 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.
  • Sleep Efficiency Calculator
    Calculate your sleep efficiency as a percentage from total sleep time and time in bed. See how much of your night in bed was actually spent asleep.
  • Sleep Duration Calculator
    Calculate how many hours and minutes you slept between bedtime and wake time. Handles sleep that crosses midnight with simple mod-24 math.
  • Intermittent Fasting Window Calculator
    Plan your intermittent fasting schedule. Enter your protocol (16:8, 18:6, 20:4, OMAD) and eating start time to get exact eating and fasting windows.
  • Power Nap Calculator
    Find the best wake-up time for a 20-minute power nap or 90-minute full sleep cycle, including the time it takes you to fall asleep.
  • Deep Sleep Calculator
    Estimate how many minutes of deep sleep you get each night from your total sleep time and deep sleep percentage. Free, instant deep sleep calculator.
  • 4-7-8 Breathing Calculator
    Calculate how long a 4-7-8 breathing session takes. Enter your cycle count to get total seconds and minutes for inhale-hold-exhale relaxation breathing.
  • Bedtime Calculator
    Find the best time to go to bed for your wake-up time. Calculates bedtimes based on 90-minute sleep cycles plus time to fall asleep.
  • Deep Breathing Heart Rate Zone Calculator
    Find your relaxation heart rate zone for deep breathing. Enter your age to get max heart rate and the calming 50–60% target range in bpm.
  • Screen Time Reduction Savings Calculator
    Calculate how many hours you reclaim per year by cutting daily screen time. See your digital detox savings in hours, days, and weeks instantly.
  • Time to Sober Up Calculator
    Estimate how many hours it takes for your blood alcohol concentration (BAC) to return to 0.00% using the average elimination rate of 0.015% per hour.
  • Recommended Sleep Hours by Age Calculator
    Find recommended sleep hours for your age and the ideal bedtime based on your wake-up time, using National Sleep Foundation age bands.
  • Mindful Walking Step Goal Calculator
    Track your daily step goal progress. Enter steps taken and your goal to see your completion percentage and steps remaining instantly.
  • Vacation Burnout Recovery Calculator
    Estimate your burnout index from Maslach (MBI) subscale scores: emotional exhaustion, depersonalization and personal accomplishment, on a 0-100 scale.
  • Standard Drinks Calculator (US)
    Calculate US standard drinks from any beverage's volume and ABV. One US standard drink contains 0.6 fl oz of pure alcohol. Free and instant.
  • Gratitude Journal Streak Calculator (66-Day Habit Rule)
    Track how many days are left to build a new habit using the 66-day rule. Enter days completed to see days remaining and your progress percentage.
  • 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.
  • Perceived Stress Scale (PSS-10) Calculator
    Score the 10-item Perceived Stress Scale (PSS-10) instantly. Auto reverse-scores items 4, 5, 7, 8 and classifies your stress as low, moderate, or high.

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