Convert year to second
Please provide values below to convert year [y] to second [s], or Convert second to year.
1 y = 31557600 s. To convert year to second, multiply the value by 31557600; to go the other way, divide by it (1 s = 3.1688087814e-08 y). Both units measure time and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 y = 31557600 s
- 1 s = 3.1688087814e-08 y
- 10 y = 315576000 s
- 100 y = 3155760000 s
How to Convert Year to Second
1 y = 31557600 s
Example: convert 15 y to s:
15 y = 15 × 31557600 s = 473364000 s
Year to Second Conversion Table
| year | second |
|---|---|
| 1 y | 31557600 s |
| 2 y | 63115200 s |
| 3 y | 94672800 s |
| 5 y | 157788000 s |
| 10 y | 315576000 s |
| 20 y | 631152000 s |
| 50 y | 1577880000 s |
| 100 y | 3155760000 s |
| 500 y | 15778800000 s |
| 1000 y | 31557600000 s |
Year
A year is the period of time it takes for the Earth to complete one orbit around the Sun, approximately 365.25 days.
History/Origin
The concept of a year has been used since ancient times, with various civilizations developing calendars based on lunar and solar cycles. The Gregorian calendar, introduced in 1582, standardized the length of the year as 365 days with a leap year every four years to account for the extra quarter day.
Current Use
The year is widely used as a basic unit of time measurement for calendars, planning, and record-keeping worldwide, with the Gregorian calendar being the most common system in use today.
Second
The second (symbol: s) is the base unit of time in the International System of Units (SI), used to measure durations and intervals.
History/Origin
The second was originally defined as 1/86400 of a mean solar day. It was later redefined in 1967 based on atomic properties, specifically as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of the cesium-133 atom.
Current Use
The second is universally used in science, technology, and everyday life to quantify time intervals, synchronize clocks, and coordinate activities across various fields.
Frequently Asked Questions
What is 1 year in second?
1 year (y) = 31557600 second (s).
How do you convert year to second?
Multiply the year value by 31557600. For example, 25 y × 31557600 = 788940000 s.
What is 10 year in second?
10 y = 315576000 s.
Which unit is larger, the year or the second?
The year is the larger unit: 1 y = 31557600 s.