At One Place

Seconds to years

1 second in years
1 s = 3.169 × 10^-8 yr
yr = s × 3.168873851 × 10^-8

To convert seconds to years, multiply by 3.168873851 × 10^-8. The table below gives the values people look up most often, and the converter works for any number.

Seconds to years table

Common second values converted to years.
Seconds Years
1 s 3.169 × 10^-8
2 s 6.338 × 10^-8
3 s 9.507 × 10^-8
4 s 1.268 × 10^-7
5 s 1.584 × 10^-7
10 s 3.169 × 10^-7
15 s 4.753 × 10^-7
20 s 6.338 × 10^-7
25 s 7.922 × 10^-7
30 s 9.507 × 10^-7
40 s 0.000001268
50 s 0.000001584
75 s 0.000002377
100 s 0.000003169
250 s 0.000007922
500 s 0.00001584
1,000 s 0.00003169

How the conversion works

The relationship is yr = s × 3.168873851 × 10^-8. Both units measure time, so the conversion is a fixed factor that never changes.

Year: Mean Gregorian year, 365.2425 days.

Common questions

How many years are in one second?
One second equals 3.169 × 10^-8 years. yr = s × 3.168873851 × 10^-8.
How do you convert seconds to years?
Use yr = s × 3.168873851 × 10^-8. So 10 s is 3.169 × 10^-7 yr.
How many seconds are in one year?
One year equals 31,556,952 seconds, which is the reverse of the conversion above.
Is there more than one kind of year?
Mean Gregorian year, 365.2425 days.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked