There are 31,556,952 seconds in a year
There are 31,556,952 seconds in a year. The working, a reference table and answers to the related "how many" questions people actually ask.
The working
1 yr = 31556952 s
1 yr × 31556952 = 31556952 s
Why this figure matters
The number behind the popular 'a billion seconds is about 31.7 years' fact — this is the exact average-year figure this site's time converter uses throughout.
Years to seconds
| Years | Seconds |
|---|---|
| 1 year | 31556952 seconds |
| 2 years | 63113904 seconds |
| 5 years | 157784760 seconds |
| 10 years | 315569520 seconds |
Questions people ask
How many seconds are in a year?
There are 31,556,952 seconds in a year.
Where does the 31,556,952 figure come from?
1 yr = 31556952 s
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Last updated 26 August 2026