How many seconds are in a year?

A 365.25-day year, the average length once leap years are counted, has 31,557,600 seconds. This converter uses 365.25 days per year and treats a month as one twelfth of that year, about 30.44 days, so monthly and yearly figures stay consistent.

Time Converter (second, hour, day, week, year)

Convert between units of time.

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Frequently asked questions

How many seconds are in a year?: A 365.25-day year, the average length once leap years are counted, has 31,557,600 seconds. This converter uses 365.25 days per year and treats a month as one twelfth of that year, about 30.44 days, so monthly and yearly figures stay consistent.

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