Unit definitions

Second

The second is the SI base unit of time. A second is defined as the duration of $9\,192\,631\,770$ periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.

Year

$365.242\,5$ days is equal to a year. It is defined using the Gregorian calendar. In the this calendar, there are $365.242\,5$ days in a year, and it is the most widely used calendar in the world.

How to convert Second to Year

$$\text{Time}_{\text{yr}} = \frac{\text{Time}_{\text{s}}}{31556952}$$

Examples

Example 1

Convert $50.0\ \text{s}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = \frac{50.0}{31556952}$$

$$\text{Time}_{\text{yr}} = 0.000002$$

$$\therefore \ 50.0\ \text{s} = 0.000002 \ \text{yr}$$

Example 2

Convert $65.0\ \text{s}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = \frac{65.0}{31556952}$$

$$\text{Time}_{\text{yr}} = 0.000002$$

$$\therefore \ 65.0\ \text{s} = 0.000002 \ \text{yr}$$

Example 3

Convert $110.0\ \text{s}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = \frac{110.0}{31556952}$$

$$\text{Time}_{\text{yr}} = 0.000003$$

$$\therefore \ 110.0\ \text{s} = 0.000003 \ \text{yr}$$

Example 4

Convert $140.0\ \text{s}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = \frac{140.0}{31556952}$$

$$\text{Time}_{\text{yr}} = 0.000004$$

$$\therefore \ 140.0\ \text{s} = 0.000004 \ \text{yr}$$

Example 5

Convert $180.0\ \text{s}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = \frac{180.0}{31556952}$$

$$\text{Time}_{\text{yr}} = 0.000006$$

$$\therefore \ 180.0\ \text{s} = 0.000006 \ \text{yr}$$

Second to Year conversion table

Second to Year conversion table

Second [s]	Year [yr]
1	3.16887385068114309645621034629707E-8
2	6.337747701362286192912420692594139E-8
3	9.506621552043429289368631038891209E-8
4	1.267549540272457238582484138518828E-7
5	1.584436925340571548228105173148535E-7
6	1.901324310408685857873726207778242E-7
7	2.218211695476800167519347242407949E-7
8	2.535099080544914477164968277037656E-7
9	2.851986465613028786810589311667363E-7
10	3.16887385068114309645621034629707E-7

Convert Second to other Time units

Convert Second to other Time units

Second [s]	Other unit
1	1E+3 Millisecond [ms]
1	1E+6 Microsecond [μs]
1	1E+9 Nanosecond [ns]
1	1E+12 Picosecond [ps]
1	0.016667 Minute [min]
1	0.000278 Hour [h]
1	0.000012 Day [d]
1	0.000002 Week [wk]
1	3.802648620817371715747452415556483E-7 Month [mo]
1	3.16887385068114309645621034629707E-9 Decade [dec]
1	3.16887385068114309645621034629707E-10 Century [C]
1	3.168808781402895023702689684893655E-8 Julian Year [a]