Convert Years to Seconds
1 year = 31,556,952 seconds. Type any value below to convert in either direction — the calculation happens in your browser.
Years to Seconds formula
Multiply the number of years by 31556952 to get seconds.
seconds = years × 31556952To go the other way: divide the number of seconds by 31556952, or multiply by 3.168874e-08.
years = seconds ÷ 31556952Years to Seconds conversion table
| Years | Seconds |
|---|---|
| 1 yr | 31,556,952 s |
| 2 yr | 63,113,904 s |
| 3 yr | 94,670,856 s |
| 4 yr | 126,227,808 s |
| 5 yr | 157,784,760 s |
| 6 yr | 189,341,712 s |
| 7 yr | 220,898,664 s |
| 8 yr | 252,455,616 s |
| 9 yr | 284,012,568 s |
| 10 yr | 315,569,520 s |
| 15 yr | 473,354,280 s |
| 20 yr | 631,139,040 s |
| 25 yr | 788,923,800 s |
| 30 yr | 946,708,560 s |
| 40 yr | 1,262,278,080 s |
| 50 yr | 1,577,847,600 s |
| 75 yr | 2,366,771,400 s |
| 100 yr | 3,155,695,200 s |
| 250 yr | 7,889,238,000 s |
| 500 yr | 15,778,476,000 s |
| 1,000 yr | 31,556,952,000 s |
Seconds to Years conversion table
| Seconds | Years |
|---|---|
| 1 s | 3.168874e-08 yr |
| 2 s | 6.337748e-08 yr |
| 3 s | 9.506622e-08 yr |
| 4 s | 1.267550e-07 yr |
| 5 s | 1.584437e-07 yr |
| 6 s | 1.901324e-07 yr |
| 7 s | 2.218212e-07 yr |
| 8 s | 2.535099e-07 yr |
| 9 s | 2.851986e-07 yr |
| 10 s | 3.168874e-07 yr |
About the year
A Gregorian year averages 365.2425 days, which accounts for the leap-year rules.
About the second
The second is the SI base unit of time, defined by the caesium-133 hyperfine transition frequency.
Frequently asked questions
How many seconds are in a year?
There are 31,556,952 seconds in one year.
How many years are in a second?
There are 3.168874e-08 years in one second.
Is this conversion exact?
The ratio between the year and the second is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 years in seconds?
10 years equals 315,569,520 seconds.