Convert Days to Years

Enter the time in days below to get the value converted to years.

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Results in Years:
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1 day = 0.002738 yr
Do you want to convert years to days?

How to Convert Days to Years

conversion scale showing days and equivalent years time values

To convert a day measurement to a year measurement, multiply the time by the conversion ratio. One day is equal to 0.002738 years, so use this simple formula to convert:

years = days × 0.002738

The time in years is equal to the days multiplied by 0.002738.

For example, here's how to convert 500 days to years using the formula above.
500 day = (500 × 0.002738) = 1.368954 yr

Days and years are both units used to measure time. Keep reading to learn more about each unit of measure.

Days

One day is the time it takes for the Earth to complete a single rotation around its axis in relation to the Sun. There are 24 hours in a day.

The day is an SI accepted unit for time for use with the metric system. Days can be abbreviated as day, for example 1 day can be written as 1 day.

Years

One year is the time it takes for the Earth to complete its orbit around the Sun. There are 365 days in a year, with the exception of the leap year when there are 366.

Years can be abbreviated as yr, and are also sometimes abbreviated as y. For example, 1 year can be written as 1 yr or 1 y.

Day to Year Conversion Table

Day measurements converted to years
Days Years
1 day 0.002738 yr
2 day 0.005476 yr
3 day 0.008214 yr
4 day 0.010952 yr
5 day 0.01369 yr
6 day 0.016427 yr
7 day 0.019165 yr
8 day 0.021903 yr
9 day 0.024641 yr
10 day 0.027379 yr
20 day 0.054758 yr
30 day 0.082137 yr
40 day 0.109516 yr
50 day 0.136895 yr
60 day 0.164274 yr
70 day 0.191653 yr
80 day 0.219033 yr
90 day 0.246412 yr
100 day 0.273791 yr
200 day 0.547581 yr
300 day 0.821372 yr
400 day 1.0952 yr
500 day 1.369 yr
600 day 1.6427 yr
700 day 1.9165 yr
800 day 2.1903 yr
900 day 2.4641 yr
1,000 day 2.7379 yr