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

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

You are watching: How many seconds are in a week

### How Many Seconds are in a Week?

There are 604,800 seconds in a week, which is why we use this value in the formula above.

1 wk = 604,800 sec

## Weeks

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.

## Seconds

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.

## Week to Second Conversion Table

Week measurements converted to seconds Weeks Seconds
0.00001 wk 6.048 sec
0.00002 wk 12.1 sec
0.00003 wk 18.14 sec
0.00004 wk 24.19 sec
0.00005 wk 30.24 sec
0.00006 wk 36.29 sec
0.00007 wk 42.34 sec
0.00008 wk 48.38 sec
0.00009 wk 54.43 sec
0.000001 wk 0.6048 sec
0.00001 wk 6.048 sec
0.0001 wk 60.48 sec
0.001 wk 604.8 sec
0.01 wk 6,048 sec
0.1 wk 60,480 sec
1 wk 604,800 sec

## References

International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
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