How many days in 1 year?
The answer is 365.2425.
We assume you are converting between day and Gregorian year.
You can view more details on each measurement unit:
days or
year
The SI base unit for time is the second.
1 second is equal to 1.1574074074074E-5 days, 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 days and years.
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 calculatorto get your age in days or measure the duration of an event.

Quick conversion chart of days to year

1 days to year = 0.00274 year

10 days to year = 0.02738 year

50 days to year = 0.1369 year

100 days to year = 0.27379 year

200 days to year = 0.54758 year

500 days to year = 1.36895 year

1000 days to year = 2.73791 year

Want other units?

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

A continuous period of 24 hours which, unless the context otherwise requires, runs from midnight to midnight.

Definition: Year

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

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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!