Standard toilet stalls are 36 wide by 60 depth.
Toilet stall dimensions mm.
Standard toilet stalls with a minimum depth of 56 in 1420 mm see figure here under shall have wall mounted water closets.
If the depth of a standard toilet stall is increased at least 3 in 75 mm then a floor mounted water closet may be used.
The location of the door is in front of the clear space and diagonal to the water closet with a maximum stile width of 4 inches 100 mm.
Partition stalls can have a minimum depth of 48 in most cases or up to 78 depth if needed.
Standard bathroom stall sizes rarely vary and tend to be 36 inches wide and 60 inches deep.
You want to make sure you are measuring exactly where the partitions will be placed because bathrooms are not always exactly square.
The centerline of the water closet is 18 inches 455 mm from the side wall.
The minimum depth for a partition stall is 48 inches but the depth can be as much as 78 inches if necessary.
The size and arrangement of the standard toilet stall shall comply with figure here under standard stall.
While the numbers may vary in accordance with the unique characteristics of your bathroom space a standard toilet stall is 36 inches wide and 60 inches deep.
The minimum width of the stall is 60 inches 1525 mm.
However stall depth can be anywhere between 48 inches to 78 inches as needed.
Arrangements shown for standard toilet stalls may be reversed to allow either a left or right hand approach.