Enter the number of seconds or years into the calculator to convert between the two units.
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Seconds to Years Formula
The following formula is used to convert seconds to years.
Y = S / (60 * 60 * 24 * 365.25)
Variables:
- Y is the number of years
- S is the number of seconds
To convert seconds to years, divide the number of seconds by the product of 60 (seconds per minute), 60 (minutes per hour), 24 (hours per day), and 365.25 (days per year, accounting for leap years).
| Seconds (s) | Years (yr) |
|---|---|
| 60 | 0.000002 |
| 300 | 0.000010 |
| 600 | 0.000019 |
| 900 | 0.000029 |
| 1800 | 0.000057 |
| 3600 | 0.000114 |
| 10800 | 0.000342 |
| 21600 | 0.000684 |
| 43200 | 0.001369 |
| 86400 | 0.002738 |
| 172800 | 0.005476 |
| 259200 | 0.008214 |
| 604800 | 0.019165 |
| 1209600 | 0.038330 |
| 2592000 | 0.082136 |
| 7776000 | 0.246407 |
| 15552000 | 0.492813 |
| 31557600 | 1.000000 |
| 157788000 | 5.000000 |
| 315576000 | 10.000000 |
| *Assumes 1 year = 365.25 days = 31,557,600 seconds. | |
What is a Second?
A second is the base unit of time in the International System of Units (SI). It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom. Seconds are commonly used to measure short durations of time and are a fundamental unit in various scientific and engineering applications.
How to Convert Seconds to Years?
The following steps outline how to convert seconds to years.
- First, determine the number of seconds (S).
- Next, use the conversion factor: 60 seconds per minute, 60 minutes per hour, 24 hours per day, and 365.25 days per year.
- Divide the number of seconds by the product of these conversion factors to get the number of years (Y).
- Finally, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Number of seconds (S) = 31,536,000
Using the formula: Y = S / (60 * 60 * 24 * 365.25)
Y = 31,536,000 / (60 * 60 * 24 * 365.25) = 1 year