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73 calculators online
News:
2015.08.25
  Two cars related tables released today: Tire codes - speed ratings and Tire codes - load index
2015.07.30
2015.04.06
  This time 3 new calculators for fractions: Fractions: adding and subtracting, Fractions: 4 operations and Fractions: inverse (reciprocal). Each of them shows all sub-steps needed to compute common denominators, create improper fraction (if needed), reduce the fraction etc.
2015.03.29
  You love it or you hate it. You understand it or don't have a clue. Percents, percentage is a powerful tool to say about part of something. We made the Percentage calculator to make your life easier.

THIS IS ANCIENT VERSION OF CALCULLA.COM LEFT HERE FOR ARCHIVAL PURPOSES.
ALL CALCULATORS SHOULD STILL WORK, BUT YOU CAN'T BE SURE. WE ALSO DON'T UPDATE THEM, SO EXPECT OUTDATED INFO.
OUR SUGGESTION IS TO MOVE TO RECENT VERSION OF CALCULLA.COM BY CLICKING THE LINK: Sleep time

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BETA TEST VERSION OF THIS ITEM

This online calculator is currently under heavy development. It may or it may NOT work correctly.

You CAN try to use it. You CAN even get the proper results.
However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.
Feel free to send any ideas and comments !
Sleep time
Calculator computes the number of years, months, days, hours, minutes and seconds, which you slept during your life.
Some facts
  • The average adult sleeps from 6 to 8 hours. However, the need for sleep varies with age. Newborns can sleep even 16 hours a day, while for seniors older than 50 years old only 6 hours can be sufficient.
    Below, there are summarized average need for sleep depending on age:
    • Newborns - 16 hours,
    • Babies 3-5 months old - 14 hours,
    • Babies 6-23 months old - 13 hours,
    • Children 2-3 years old - 12 godzin,
    • Children 4-5 years old - 11 hours,
    • Children 6-9 years old - 10 hours,
    • Teens 10-13 years old - 10 hours,
    • Teens 14-18 years old - 8 hours,
    • Adults 19-30 years old - 7-8 hours,
    • Adults 31-49 years old - 7 hours,
    • Adults 50-70 years old - 6 hours.
  • If you want to know what more we can read from your date of birth check out our other calculators:
What is the meaning of each calculator field ?
  • Your date of birth - it is simply the date, when you were born. It is a base for all further calculactions.
  • Now is - it is simply current time and date.
  • How much do you sleep - it is average number of hours, which you sleep within one day. Most common value for adult man is less or more 8 hours.
  • So far sleep - this fields shows how much time have you aproximately spent slepping in your whole life. In other words it is the sum of slept hours from your birth to today.

  • Time you already lived - it is a total time from your birth to now calculated in years, months, days, hours, minutes and seconds. In other words it is your current age.
  • Your zodiac sign - it is astrological zodiac sign assigned to your date of birth.
  • Time to your birthday - it is number of monts, days, hours, minutes and seconds left to your next birthday. This field is computed basing on date of birth, which you put in the form.
Your date of birth
How much do you sleep hours per day