Because shower doors are usually glass and can break and because of other access issues bathroom code states that shower doors need to have at least 24 inches of opening clearance.
Residential shower door width.
While you can see standard shower sizes as small as 32 x 32 most people would feel comfortable in a 48 x 36 size shower.
Shower floor minimum size is usually mandated to be at least 30 inches square.
Doors should be at least 32 wide.
The measurements should be to the nearest 1 16 inch.
The minimum interior shower size is 30x30 inches or 900 square inches in which a disc 30 inches in diameter must fit.
That is 30 inches by 30 inches.
Sliding shower doors range from 45 inches to 47 inches.
Most common widths in order.
For safety horizontal shower grab bars should be installed 33 36 84 91 cm above the floor.
For 32 of clear width the door width from jamb to jamb should be 34.
This should provide a good idea of the size available and if you will be comfortable.
Bathroom door size a standard bathroom door is 32 inches 81cm.
If these differ select a door using the larger width for a bypass door or the smaller width for a pivot door.
Determine the distance from wall to wall at the top and bottom of the opening.
Compared to a tub shower combo this option gives you more room to move around in.
The height for all passage doors must be a minimum of 80 inches and the standard width sizes for interior doors are 24 28 30 32 and 36.
Square shaped showers 32 x 32 inches 34 x 34 inches 36 x 36 inches this shower can stand in the corner of your bathroom along one wall or alone with all four sides enclosed by glass.
The distance from the centerline of a toilet and or bidet to any bath fixture wall or other obstacle should be at least 18 inches.
36 32 and 60.
Since 34 is not a standard door width most designers spec a 36 door which is not usually a special order.
Wider sliding shower doors will be 57 inches to 59 inches wide.
If you re working with a really small space you could bring the door width down to 28 inches or 71cm even down to 24 inches or 61cm as an absolute minimum note small doors are should only be used for bathrooms closets and utility rooms.
Most shower doors are 79 inches high.
The minimum recommended door width to allow persons with disabilities to pass through is 36 inches.
This frame plus the need for a slight space on each side of the shower door reduces the total shower door width in these 60 inch alcove applications to 58 inches.