## Convert century to millennium

 century millennium

How many century in 1 millennium? The answer is 9.9931553730322.
We assume you are converting between century and millennium.
You can view more details on each measurement unit:
century or millennium
The SI base unit for time is the second.
1 second is equal to 3.1688087814029E-10 century, or 3.1709791983765E-11 millennium.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between centuries and millennia.
Type in your own numbers in the form to convert the units!

## Date difference between calendar days

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.

## Quick conversion chart of century to millennium

1 century to millennium = 0.10007 millennium

5 century to millennium = 0.50034 millennium

10 century to millennium = 1.00068 millennium

20 century to millennium = 2.00137 millennium

30 century to millennium = 3.00205 millennium

40 century to millennium = 4.00274 millennium

50 century to millennium = 5.00342 millennium

75 century to millennium = 7.50514 millennium

100 century to millennium = 10.00685 millennium

## Want other units?

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

## Enter two units to convert

 From: To:

## Definition: Century

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.

## Definition: Millennium

A millennium is a period of time equal to one thousand years. There are two main viewpoints about naming millennia and there was a popular debate leading up to the celebrations of the year 2000 as to whether 2000 was the beginning of a new millennium. Historically, there has been debate around the turn of the millennium, centuries and decades before.

## Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!