An average bathroom is small in space when attempting to easily fit the whole thing can be like a jigsaw puzzle. Bathroom Vanity units, toilet, and shelving crowd small-space up. The standard bathtub size is 13 square feet of floor-space whereas a corner shower unit occupies 30% less space. You want to change an old bathtub and starving for a new one must look at the standard bathtub sizes and dimensions with the several types such as Alcove bathtubs, drop-in bathtub, under-mount bathtubs, whirlpool bathtubs, freestanding bathtubs, and corner bathtubs.

Alcove Bathtubs

Alcove bathtubs are the perfect solution for small bathrooms. It's surrounded by three walls and fitted beside the width of the room. Therefore, the longer walls work as the edges and the back wall forms one side. Sometimes the walls are not close sufficient to invent the alcove bathtubs mostly in large bathrooms. Alcove bathtub comes with a length of 48-72 inches and a width of 15-20 inches.

Small Tub Sizes

Small bathtubs are not that common, generally small bathrooms have a stand-up shower instead of a tub. If you are purchasing a small size bathtub carefully, measure installation space to make sure that it will work for you. They come up with the length of 43-55 inches, the width of 30 inches and a height of 14-15 inches.

Long Tub Sizes

The Long tub sizes are the perfect solution for over 5 feet tall individuals and want a longer tub for a dip. They are available with a length of 72 inches, the width of 36 inches and a height of 20 inches. 

Drop-in Bathtubs

Drop-in bathtubs are almost identical to alcove tubs in proportions. They contain the bathtub shell and have no finish sides. You can fit them in an alcove bathtub or against the wall and drop the bathtub into a preconstructed frame. They come with the length of 60 inches, a width of 30 inches and a height of 16 inches. 

Undermount Bathtubs

Undermount bathtubs fitted into a deck manufactured from raw material such as tile or stone. Give a fantastic look to your bathroom while generating a luxurious feel. They are available with a length of 60 inches, a width of 0 inches and a height of 16 inches.

Whirlpool Bathtubs

Whirlpool bathtubs are Larger than Average bathtubs and fit in a standard alcove. The water movement in the Whirlpool Bathtubs maintains and extend the water warm while getting a sustained immersion. They are available with a length of 60 inches, the width of 32-36 inches and a height of 18-24 inches. 

Corner bathtubs

Corner bathtubs are an enjoyable addition to your bathroom and perfect for relaxing. They are available in the shape of a triangle which makes up good for deemphasizing, calming soaks. You can fit the corner bathtubs in alcoves. They are perfect for the large bathrooms and available with a length of 60 inches, the width of 60 inches and a height of 22 inches. 

Freestanding Bathtubs

Freestanding bathtubs set into an alcove or drop-in design which fits into an erected deck. If you want to add this Freestanding bathtub, then it must be 6 inches shorter in width. They are available in the standard size with a length of 55-72 inches, a width of 27-32 inches and a height of 15-20 inches.