"Elevator floor" is the most common way to say "电梯楼层" in Engpsh.
The term "elevator floor" originates from the word "elevator," which is a device used to move people or goods vertically in a building, and "floor," which refers to one of the levels in a building.
Examples:
"Which floor do you want to go to?"
"我想去哪层？"
"Can you press the button for the fifth floor?"
"请你按五楼的按钮好吗？"
"Please wait for the elevator to reach your floor."
"请等电梯到达你的楼层。"