Convert years to seconds
1 yr = 31,556,952 s. Change the amount below, or read the formula and the reference table further down.
1 year equals
seconds
1 yr = 31,556,952 s
The formula
Years and seconds both measure time from the same zero, so a single multiplier does the job.
s = yr × 31,556,952
Going the other way? Convert seconds to years.
Years to seconds table
Common values, rounded for reading.
| Years (yr) | Seconds (s) |
|---|---|
| 1 | 31,556,952 |
| 2 | 63,113,904 |
| 3 | 94,670,856 |
| 4 | 126,227,808 |
| 5 | 157,784,760 |
| 6 | 189,341,712 |
| 7 | 220,898,664 |
| 8 | 252,455,616 |
| 9 | 284,012,568 |
| 10 | 315,569,520 |
| 15 | 473,354,280 |
| 20 | 631,139,040 |
| 25 | 788,923,800 |
| 30 | 946,708,560 |
| 40 | 1,262,278,080 |
| 50 | 1,577,847,600 |
| 75 | 2,366,771,400 |
| 100 | 3,155,695,200 |
| 250 | 7,889,238,000 |
| 500 | 15,778,476,000 |
| 1,000 | 31,556,952,000 |
Questions people ask
- How many seconds are in a year?
- One year equals 31,556,952 seconds.
- How do I convert years to seconds by hand?
- Multiply the number of years by 31,556,952. For a rough check, 31,556,952 is close enough for most everyday use.
- What is 1 year in seconds?
- 1 year is 31,556,952 seconds.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.