How many s in 1 week?
The answer is 604800.
We assume you are converting between second and week.
You can view more details on each measurement unit: s or
week
The SI base unit for time is the second.
1 second is equal to 1.6534391534392E-6 week.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between seconds and weeks.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from
week to s, or enter any two units below:

The second (symbol s) is a unit for time, and one of seven SI base units. It 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 at zero kelvins.

››Definition: Week

A week is a unit of time longer than a day and shorter than a month. In most modern calendars, including the Gregorian calendar, the week is a period of seven days, making it the longest conventionally used time unit that contains a fixed number of days. Although having no direct astronomical basis, it is widely used as a unit of time.

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