Seconds to Weeks Conversion

Enter the time in seconds below to get the value converted to weeks.

Results in Weeks:
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1 sec = 1.6534E-6 wk
Hint: use a scientific notation calculator to convert E notation to decimal
Do you want to convert weeks to seconds?

How to Convert Seconds to Weeks

To convert a second measurement to a week measurement, divide the time by the conversion ratio.

Since one week is equal to 604,800 seconds, you can use this simple formula to convert:

weeks = seconds ÷ 604,800

The time in weeks is equal to the seconds divided by 604,800.

For example, here's how to convert 500,000 seconds to weeks using the formula above.
500,000 sec = (500,000 ÷ 604,800) = 0.82672 wk

Seconds and weeks are both units used to measure time. Keep reading to learn more about each unit of measure.


The second has historically been defined as 1/60 of a minute or 1/86,400 of a day. According the to SI definition, the second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the unperturbed ground state of the caesium 133 atom.[1]

The second is the SI base unit for time in the metric system. Seconds can be abbreviated as sec; for example, 1 second can be written as 1 sec.


One week is a time period of seven days. The following days are a part of a week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday.

Weeks can be abbreviated as wk; for example, 1 week can be written as 1 wk.

Second to Week Conversion Table

Second measurements converted to weeks
Seconds Weeks
1 sec 0.0000016534 wk
2 sec 0.0000033069 wk
3 sec 0.0000049603 wk
4 sec 0.0000066138 wk
5 sec 0.0000082672 wk
6 sec 0.0000099206 wk
7 sec 0.000011574 wk
8 sec 0.000013228 wk
9 sec 0.000014881 wk
10 sec 0.000016534 wk
100 sec 0.000165 wk
1,000 sec 0.001653 wk
10,000 sec 0.016534 wk
100,000 sec 0.165344 wk
1,000,000 sec 1.6534 wk


  1. International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019,

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