If you have a bathroom with a seldom-used bathtub and prefer a shower instead, you can convert the old tub to a new stand-alone unit. A shower enclosure designed to fit in a standard 5-foot step-over tub alcove that measures 32 inches by 60 inches by 74 inches makes it possible. Look for a unit with the location of the drain on the left or right side, depending on where your drain is located. A bathroom remodel with a walk-in shower is barrier-free and ideal for anyone with limited mobility, kids, or even bathing a large dog, so there are many good reasons for converting a tub to a shower….