Convert Years to Days
1 Year (yr) = 365.243 Days (d). Use the free converter below to instantly convert any year value to days, or view the full conversion table and formula.
1 yr = 365.243 d
Year to Day Conversion Table
How to Convert Years to Days
To convert years to days, multiply by 365.2425 (the Gregorian average). For example, 2 years × 365.2425 = 730.485 days. For a rough estimate, multiply by 365 and add about a quarter-day per year for leap years.
Worked Example: Convert 2 yr to d
Start with the value in years
2 yr
Apply the formula
d = 2 × 365.2425
Calculate the result
2 yr = 730.5 d
Year to Day Examples
0.25 yr is equal to 91.3 d. Using the formula yr × 365.2425, 0.25 yr converts to 91.3 d.
0.5 yr is equal to 182.6 d. Using the formula yr × 365.2425, 0.5 yr converts to 182.6 d.
1 yr is equal to 365.2 d. Using the formula yr × 365.2425, 1 yr converts to 365.2 d.
2 yr is equal to 730.5 d. Using the formula yr × 365.2425, 2 yr converts to 730.5 d.
3 yr is equal to 1095.7 d. Using the formula yr × 365.2425, 3 yr converts to 1095.7 d.
4 yr is equal to 1461 d. Using the formula yr × 365.2425, 4 yr converts to 1461 d.
5 yr is equal to 1826.2 d. Using the formula yr × 365.2425, 5 yr converts to 1826.2 d.
10 yr is equal to 3652.4 d. Using the formula yr × 365.2425, 10 yr converts to 3652.4 d.
Converting Days to Years
Need the reverse conversion? Use the table below for a quick reference converting days back to years.
| Days (d) | Years (yr) |
|---|---|
| 1 | 0.002738 |
| 2 | 0.005476 |
| 3 | 0.008214 |
| 5 | 0.01369 |
| 7 | 0.019165 |
| 10 | 0.027379 |
Years to Days FAQ
How many days is 1 year?
1 year averages 365.2425 days in the Gregorian calendar. A common year has 365 days, while a leap year has 366.
How do I convert years to days?
Multiply the number of years by 365.2425. For example, 5 years × 365.2425 = 1,826.2 days.
How many days is a leap year?
A leap year has 366 days. Leap years occur every 4 years, except for years divisible by 100 (unless also divisible by 400).
Understanding Years and Days
What is a Year (yr)?
The year (yr) is a universally used unit of time. It is commonly abbreviated as yr and relates to days by a factor of 365.243.
What is a Day (d)?
The day (d) is a universally used unit of time. It is commonly abbreviated as d and relates to years by a factor of 0.002738.