Quickly transform seconds into years and vice versa at Examples.com. Input your data for rapid and exact conversions you can trust.

s to yr

Formula: Time in years(yr) = Time in seconds(s) 31556952

Seconds :

Years :


yr to s

Formula: Time in seconds(s) = Time in years(yr)x 31556952

Years :

Seconds :


Conversion Factors:

  • Seconds to Years: 1 year = 31,536,000 seconds
  • Years to Seconds: 1 second = 3.1689e-8 years.

How to Convert Seconds to Years

To convert seconds to years, divide the number of seconds by 31,536,000.



Convert 100,000,000 seconds to years.

Years=100,000,000/31,536,000=3.1688 years

How to Convert Years to Seconds

To convert years to seconds, multiply the number of years by 31,536,000.



Convert 2 years to seconds.

Seconds=2×31,536,000=63,072,000 seconds

Seconds to Years Conversion Table

SecondsYears (yr)
1 sec3.1710e-8 yr
2 sec6.3420e-8 yr
3 sec9.5130e-8 yr
4 sec1.2684e-7 yr
5 sec1.5855e-7 yr
6 sec1.9026e-7 yr
7 sec2.2197e-7 yr
8 sec2.5368e-7 yr
9 sec2.8539e-7 yr
10 sec3.1710e-7 yr
20 sec6.3420e-7 yr
30 sec9.5130e-7 yr
40 sec1.2684e-6 yr
50 sec1.5855e-6 yr
60 sec1.9026e-6 yr
70 sec2.2197e-6 yr
80 sec2.5368e-6 yr
90 sec2.8539e-6 yr
100 sec3.1710e-6 yr

sec to yr Conversion Chart

Years to Seconds Conversion Table

YearsSeconds (sec)
1 yr3.154e+7 sec
2 yr6.307e+7 sec
3 yr9.461e+7 sec
4 yr1.261e+8 sec
5 yr1.577e+8 sec
6 yr1.892e+8 sec
7 yr2.207e+8 sec
8 yr2.523e+8 sec
9 yr2.838e+8 sec
10 yr3.154e+8 sec
20 yr6.307e+8 sec
30 yr9.461e+8 sec
40 yr1.261e+9 sec
50 yr1.577e+9 sec
60 yr1.892e+9 sec
70 yr2.207e+9 sec
80 yr2.523e+9 sec
90 yr2.838e+9 sec
100 yr3.154e+9 sec

yr to sec Conversion Chart

Difference Between Seconds to Years

DefinitionA unit of time equal to 1/60th of a minuteA unit of time equal to 365 days (or 366 in a leap year)
Symbolsec or syr
Base UnitFundamental unit of time in the SI systemNot a fundamental unit in the SI system; used for longer durations
LengthExtremely short durationExtremely long duration
UsageUsed for precise and short time measurementsUsed for long-term planning, age measurement, and historical timelines
Conversion Factor1 second ≈ 3.1710e-8 years1 year = 31,536,000 seconds (or 31,557,600 in a leap year)
Practical ExamplesMeasuring intervals in sports, scientific experimentsMeasuring ages, historical events, long-term project durations
PrecisionHigh precision for short intervalsLow precision for short intervals but useful for tracking long periods
Common ContextUsed in contexts requiring exact timing, like timing a raceUsed in contexts requiring understanding of long-term durations, like a person’s age
GranularityProvides fine-grained measurement of timeProvides a coarse-grained measurement of time suitable for long periods

1. Solved Examples on Converting Seconds to Years

Example 1:Convert 31,536,000 seconds to years.

1 year=31,536,000 seconds

Years=31,536,000 seconds/31,536,000=1 year

Example 2: Convert 100,000,000 seconds to years.

Years=100,000,000 seconds/31,536,000=3.1688 years

Example 3: Convert 250,000,000 seconds to years.

Years=250,000,000 seconds/31,536,000=7.9306 years

Example 4: Convert 1,000,000 seconds to years.

Years=1,000,000 seconds/31,536,000=0.0317 years

Example 5: Convert 500,000,000 seconds to years.

Years=500,000,000 seconds/31,536,000=15.854 years

2. Solved Examples on Converting Years to Seconds

Example 1: Convert 2 Years to Seconds

Seconds=2 years×31,536,000=63,072,000 seconds

Example 2: Convert 5 Years to Seconds

Seconds=5 years×31,536,000=157,680,000 seconds

Example 3: Convert 0.5 Years to Seconds

Seconds=0.5 years×31,536,000=15,768,000 seconds

Example 4: Convert 10 Years to Seconds

Seconds=10 years×31,536,000=315,360,000 seconds

Example 5: Convert 20 Years to Seconds

Seconds=20 years×31,536,000=630,720,000 seconds

Why is the conversion from seconds to years not often used in everyday life?

Most everyday time measurements use hours, days, and months because they are more practical for common time spans. Converting to years is typically used for very long durations, such as in astronomy or geology.

Can seconds be converted to years for very large numbers, such as the age of the universe?

Yes, you can convert very large numbers of seconds to years. For example, the age of the universe (approximately 13.8 billion years) can be expressed in seconds as about 4.354 x 10^17 seconds.

Why is understanding the conversion from seconds to years important?

Understanding this conversion is crucial for time-based calculations in various fields like astronomy, engineering, and even in everyday applications where long durations are considered.

Is there a simple calculator or tool to convert seconds to years?

Yes, many online calculators can convert seconds to years. You can also use a scientific calculator or a programming language function for precise conversions.

Why is the number of seconds in a year not always the same?

The number of seconds in a year varies because of leap years. Leap years, which occur every four years, add an extra day to the calendar year, resulting in 366 days instead of 365.