How to Convert Years to Days
To convert years to days, multiply the value by 365.243.
The Formula
Days = Years × 365.243
Key Fact
1 year = 365.243 days
Tip: To convert days back to years, divide by 365.243.
Years to Days
Convert years (yr) to days (d) with formulas, examples, and conversion tables.
yr
d
1 yr = 365.243 d
Full precision:365.243 d
Step-by-Step Solution
To convert 1 years to days, we multiply by 365.243 because one year equals exactly 365.243 days.
1 year = 365.243 days
Since each year contains 365.243 days, we multiply our value by this factor:
1 × 365.243 = 365.243 days
So 1 years = 365.243 days.
Quick check: 365.243 ÷ 365.243 = 1 years
Example Conversions
Example 1: 1 yr = 365.243 d
1 × 365.243 = 365.243
1 × 365.243 = 365.243
Example 2: 5 yr = 1826.21 d
5 × 365.243 = 1826.21
5 × 365.243 = 1826.21
Example 3: 10 yr = 3652.43 d
10 × 365.243 = 3652.43
10 × 365.243 = 3652.43
Years to Days Table
| Years | Days |
|---|---|
| 1 yr | 365.243 d |
| 5 yr | 1826.21 d |
| 10 yr | 3652.43 d |
| 15 yr | 5478.64 d |
| 30 yr | 10957.27 d |
| 60 yr | 21914.55 d |
| 120 yr | 43829.1 d |
| 180 yr | 65743.65 d |
| 360 yr | 131487.3 d |
| 720 yr | 262974.6 d |
| 1440 yr | 525949.2 d |
1 Year in Other Units
| Unit | 1 yr = |
|---|---|
| Years to Nanoseconds | 3.16e+16 ns |
| Years to Microseconds | 3.16e+13 μs |
| Years to Milliseconds | 3.16e+10 ms |
| Years to Seconds | 31556952 s |
| Years to Minutes | 525949.2 min |
| Years to Hours | 8765.82 h |
| Years to Days | 365.243 d |
| Years to Weeks | 52.1775 wk |
| Years to Months | 12 mo |
| Years to Decades | 0.1 dec |
| Years to Centuries | 0.01 cen |