Years to Seconds Converter

Convert years to seconds (yr to s) instantly. 1 year = 31,557,600 s. Includes the formula and a conversion table.

s = yr × 31,557,600

How to convert years to seconds

s = yr × 31,557,600

One year equals 31,557,600 s, so multiply the value in years by 31,557,600. Example: 10 yr = 315,576,000 s.

A month is taken as the average Gregorian month (30.436875 days) and a year as 365.25 days. For exact calendar spans between two dates, use the date difference calculator.

Years to seconds conversion table

Years (yr)Seconds (s)
1 yr31,557,600 s
2 yr63,115,200 s
3 yr94,672,800 s
5 yr157,788,000 s
10 yr315,576,000 s
15 yr473,364,000 s
20 yr631,152,000 s
25 yr788,940,000 s
50 yr1,577,880,000 s
75 yr2,366,820,000 s
100 yr3,155,760,000 s
250 yr7,889,400,000 s
500 yr15,778,800,000 s
1,000 yr31,557,600,000 s

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Frequently asked questions

How many seconds are in 1 year?

1 year is equal to 31,557,600 s.

How do I convert years to seconds?

Multiply the number of years by 31,557,600. For example, 10 yr × 31,557,600 = 315,576,000 s.

How do I convert seconds back to years?

Use the formula yr = s × 3.168809e-8, or open the seconds to years converter.

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