Convert second to year
Enter the value to convert from second to year.
How to Convert Second to Year
Converting second to year is straightforward using our conversion calculator.
Conversion Formula
yr = s ÷ 31556952Reverse conversion: Convert year to second
Comparison: Second vs Year
When to Use Each Unit
Second: Universal time unit for scientific measurements, computing, engineering, and precise timing applications worldwide.
Year: Fundamental for calendars, age calculation, contracts, planning, and organizing human life spans.
Common Conversion Values
- 60 s = 1 min
- 3,600 s = 1 h
- 86,400 s = 1 day
- 1 s = 1000 ms
About Second
Definition: The second (symbol: s) is the SI base unit of time, defined as the duration of 9,192,631,770 periods of radiation from cesium-133 atoms.
History: Originally defined as 1/86400 of a mean solar day. Redefined in 1967 using atomic transitions for unprecedented accuracy.
Current Use: Universal time unit for scientific measurements, computing, engineering, and precise timing applications worldwide.
Examples: Computer processing: microseconds, sports timing: hundredths of seconds, atomic clocks: nanosecond precision
About Year
Definition: The year is a unit of time equal to approximately 365.25 days, based on Earth's orbital period around the Sun.
History: Based on astronomical observations of seasonal cycles. Leap years added to maintain calendar accuracy with solar year.
Current Use: Fundamental for calendars, age calculation, contracts, planning, and organizing human life spans.
Examples: Education: academic years, employment: annual salaries, insurance: yearly policies, planning: 1-10 year goals