[header] How to hang wall cabinets [title] Plan your space. [step] A standard, to-scale floor plan drawing will suffice for plotting out exactly where you want to install wall cabinets. [title] Determine if your floor is level. 
[title] Measure and make a mark 54 inches (137 cm) from the floor. [step] If your floor is not level, measure from the highest point of the floor.