Convert Years to Seconds
1 yr = 31557600 s
Conversion Table
| years (yr) | seconds (s) |
|---|---|
| 0.5 | 15778800 |
| 1 | 31557600 |
| 2 | 63115200 |
| 5 | 157788000 |
| 10 | 315576000 |
| 25 | 788940000 |
| 50 | 1577880000 |
| 100 | 3155760000 |
| 250 | 7889400000 |
| 500 | 15778800000 |
| 1000 | 31557600000 |
How to Convert years to seconds
To convert years to seconds, multiply the value by the conversion factor:
For example: 10 yr = 315576000 s
Related Converters
About years and seconds
The Conversion Formula
To convert years to seconds, multiply the value by the conversion factor: 1 yr = 31557600 s. For a worked example, suppose you need to convert 25 yr to seconds: 25 × 31557600 = 788940000 s. To convert in the opposite direction, divide by 31557600, or equivalently multiply by 3.1688e-8.
About years
A year is the time it takes Earth to orbit the Sun. Because this orbit takes about 365.2425 days, we use leap years to keep our calendars synchronized with the seasons. In science, the 'Julian year' of exactly 365.25 days is the standard for defining units like the light-year. years are commonly used in Age, History, Mortgages (30-year), and Election cycles, Wine vintages.
It takes one year for Earth to orbit the Sun.
About seconds
The second is the fundamental unit of time in the International System of Units (SI). Originally defined as 1/86,400 of a mean solar day, it is now defined with extreme precision by the radiation frequency of the cesium-133 atom. This 'atomic time' allows GPS satellites and the internet to function synchronously. seconds are commonly used in Sports timing, Scientific experiments, Cooking timers, and Internet protocols, Heart rate measurement.
A healthy resting heart beats roughly once per second.
When Would You Convert years to seconds?
Converting between years and seconds is one of the most common time conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 yr = 31557600 s) memorized or bookmarked can save time in professional and everyday contexts alike.