Years to Seconds

1 y = 31,536,000 seconds. Multiply years by 31,536,000 to get seconds; divide seconds by 31,536,000 to go back.

31,536,000
Seconds → Years Formula: s = y × 31,536,000

Years to seconds conversion table

YearsSeconds
1 y 31,536,000 s
2 y 63,072,000 s
3 y 94,608,000 s
4 y 126,144,000 s
5 y 157,680,000 s
6 y 189,216,000 s
7 y 220,752,000 s
8 y 252,288,000 s
YearsSeconds
9 y 283,824,000 s
10 y 315,360,000 s
20 y 630,720,000 s
50 y 1,576,800,000 s
100 y 3,153,600,000 s
500 y 15,768,000,000 s
1,000 y 31,536,000,000 s

How to convert years to seconds

Step 1

Take the value in years.

10 y

Step 2

Multiply by 31,536,000.

10 × 31,536,000

Step 3

Round to the precision you need.

= 315,360,000 s

The factor is rounded to six significant digits; the copy button on any result gives the full-precision value.

Common years to seconds conversions

These are the values people actually search for. Any other number works in the converter above; only these pages are listed for search engines.

Frequently asked questions

How many seconds are in a y?
There are 31,536,000 seconds in one y. Going the other way, one s is 0.0000000317 years.
How do I convert years to seconds?
Multiply the number of years by 31,536,000. For example, 10 y × 31,536,000 = 315,360,000 s.
What is 5 years in seconds?
5 years is 157,680,000 seconds.
What is 100 years in seconds?
100 years is 3,153,600,000 seconds.