The measurements looking from the top with the space on the lower left are as follows: The upper horizontal width is 64.37". The left upper verticle length is 33.46". The left lower horizontal width is 24.02". The left lower verticle length is 9.84". The bottom horizontal width is 40.35". The right verticle length is 43.31". The depth from the finished floor to the top of the unit is 23.23". The glass enclosure is not included. The tub holds 84.54 gallons.