How to convert 388 days to weeks?
We know (by definition) that:
We can set up a proportion to solve for the number of weeks.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 week is equal to 0.0180412371134021 times 388 days.
It can also be expressed as: 388 days is equal to weeks.
An approximate numerical result would be: three hundred and eighty-eight days is about fifty-five point four two weeks, or alternatively, a week is about zero point zero two times three hundred and eighty-eight days.
 The precision is 15 significant digits (fourteen digits to the right of the decimal point).Results may contain small errors due to the use of floating point arithmetic.