Convert Years to Days
One year equals 365.25 days. Type any value to convert years to days instantly — with a full reference table below.
Convert Years to Days
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Conversion formula
To convert years to days, multiply by 365.25. One year equals 365.25 d, and one day equals 0.002738 yr.
Years to Days table
About converting Years to Days
Years (yr) and Days (d) are both units of time. The exact factor is 1 yr = 365.25 d, so multiply by 365.25 to go from years to days (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Days to Years converter, or the full unit converter for every unit at once.
Frequently asked questions
How many days are in one year?
One year equals 365.25 days.
How do I convert years to days?
Multiply the number of years by 365.25. For example, 10 years = 3,652.5 days.
What is 5 years in days?
5 years is 1,826.25 days.