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Gregorian year Julian year tropical year sidereal year anomalistic year draconic year lunar year Gaussian year |

How many century in 1 year?
The answer is 0.009999794661191.

We assume you are converting between **century** and **Gregorian year**.

You can view more details on each measurement unit:

century or
year

The SI base unit for **time** is the second.

1 second is equal to 3.1688087814029E-10 century, or 3.1688738506811E-8 year.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between centuries and years.

Type in your own numbers in the form to convert the units!

You may also want to find out how many days
are between two dates on the calendar. Use the
**date calculator**
to get your age in days or measure the duration of an event.

1 century to year = 100.00205 year

2 century to year = 200.00411 year

3 century to year = 300.00616 year

4 century to year = 400.00821 year

5 century to year = 500.01027 year

6 century to year = 600.01232 year

7 century to year = 700.01437 year

8 century to year = 800.01643 year

9 century to year = 900.01848 year

10 century to year = 1000.02053 year

You can do the reverse unit conversion from year to century, or enter any two units below:

century to millisecond

century to millennium

century to nanosecond

century to second

century to week

century to month

century to quarter

century to hour

century to shake

century to day

A century is a period of 100 years, which can have either 24 or 25 leap years, depends on whether the year xx00 is a leap year or not.

We assume there are 25 leap year days in a typical century. A non-leap year of 365 days would have 86,400 * 365 = 31,536,000 seconds in it. Adding another 25 days adds 2,160,000 seconds, so there are a total of 3,155,760,000 seconds in a century that has 25 leap years.

An average Gregorian year is 365.2425 days (52.1775 weeks, 8765.82 hours, 525949.2 minutes or 31556952 seconds). For this calendar, a common year is 365 days (8760 hours, 525600 minutes or 31536000 seconds), and a leap year is 366 days (8784 hours, 527040 minutes or 31622400 seconds). The 400-year cycle of the Gregorian calendar has 146097 days and hence exactly 20871 weeks.

a_{g} = a_g = 365.2425 days for the mean Gregorian year

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