How to convert 100 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 0.07 times 100 days.
It can also be expressed as: 100 days is equal to weeks.
An approximate numerical result would be: one hundred days is about fourteen point two eight weeks, or alternatively, a week is about zero times one hundred 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.