Duration Calculator

  • TV Series Duration Calculator
    Calculate how long it takes to watch a TV series. Enter the number of episodes and average length to get total time in minutes, hours, and days.
  • Oscar Marathon Calculator
    Plan your Oscar movie marathon. Calculate the total time to watch all the Best Picture nominees, including breaks between films, in hours and minutes.
  • Star Wars Marathon Calculator
    Plan your Star Wars movie marathon. Calculate the total watch time for the trilogy, saga, or all films including breaks between movies.
  • Slack Time Calculator
    Calculate slack (float) time for project activities from earliest/latest start and finish dates. Find total float and identify critical path tasks.
  • Hours to Decimal Calculator
    Convert hours, minutes and seconds to decimal hours instantly. Perfect for payroll and timesheets using decimal_hours = h + m/60 + s/3600.
  • Hours Between Two Times Calculator
    Calculate the number of hours and minutes between two times. Handles overnight spans (end before start) by wrapping to a 24-hour clock.
  • Elapsed Time Calculator
    Calculate the elapsed time between two dates and times. Get the result in days, hours, minutes and seconds, plus totals for each unit.
  • Count Hours Calculator
    Count the hours between a start and end time, subtract breaks, and get the result in decimal hours and hours-and-minutes. Free, fast, and easy.
  • Clock Duration Calculator
    Calculate the elapsed time between two clock times. Get hours, minutes, total minutes, and decimal hours — handles overnight spans past midnight.
  • Age in Years Calculator
    Calculate your exact age in complete years from your birth date. Free age calculator showing total days lived and precise fractional age.
  • Age in Years, Months, and Days Calculator
    Calculate exact age in years, months, and days between a birth date and any date using accurate calendar borrowing and leap-year handling.
  • Age in Seconds Calculator
    Find out exactly how many seconds, minutes, hours and days old you are. Enter your birth date and an as-of date to calculate your age in seconds.
  • Age in Weeks Calculator
    Calculate your exact age in weeks from your date of birth. Enter a birth date to see total weeks, remaining days, and total days lived.
  • Age in Months Calculator
    Calculate your exact age in months from your birth date to today. Enter birth and current dates to get total complete months, plus years and months.
  • Age in Minutes Calculator
    Find out exactly how many minutes old you are. Enter your date of birth to instantly calculate your age in minutes, hours, days and seconds.
  • Age in Hours Calculator
    Find out exactly how many hours old you are. Enter your birth date to calculate your age in hours, days, and minutes instantly.
  • Age in Days Calculator
    Find out exactly how many days old you are. Enter a birth date and an as-of date to get your age in days, weeks, months, and hours.
  • Adding Hours Calculator
    Add hours and minutes to any start time. Wraps past midnight in 24-hour format and shows how many days carry over. Free online time adding calculator.
  • Add Minutes Calculator
    Add minutes to any start time and get the resulting clock time. Handles hour carry-over and day rollover on a 24-hour clock. Free and instant.
  • Adding Hours and Minutes Calculator
    Add two times together in hours and minutes. Quickly sum durations and get the total in hours:minutes, total minutes, and decimal hours.
  • Add Days Calculator
    Free Add Days Calculator: enter a start date and the number of days to add (or subtract) to instantly find the resulting calendar date and weekday.
  • 6 Month Calculator
    Find the exact date 6 months from any start date. Calendar-month addition with automatic end-of-month adjustment and day-of-week output.
  • 90 Day Calculator
    Find the date 90 days from any start date. Add 90 (or any number of) days and see the exact future date and weekday instantly.
  • Years Between Two Dates Calculator
    Calculate the number of years between two dates instantly. Enter a start and end date to get the exact years and total days elapsed.

Categories