Here, you need to decide how to mount the shower curtain rod, meaning you must choose whether you want it to be on the inside or the outside of the shower.
If you choose to put the shower curtain rod inside the shower, then it will fit in exact measurements between the opening and will go from one wall to the other.
Step 4: The Exceptions To Regular Shower Curtain Sizes
These types of shower curtains are supposed to fit a tub that measures 60 inches with an additional 12 inches of fabric that will guarantee complete coverage for the person showering.