A perfectly level floor is rare so adjustments are part of most jobs.
Standard wall cabinet height from floor.
A 12 inch or 15 inch tall cabinet fits neatly over a refrigerator.
The toe kick portion of the cabinet is 4 1 2 h the standard door height is 24 h and the top drawer height is 6 h equaling 34 1 2 h total.
4 upper cabinet height from floor.
Common wall cabinet heights are 12 36 and 42 inches.
Go lower than 18 inches and you may find that certain small appliances don t fit below the cabinets or that the upper cabinets start to block your view of the countertop.
Most base cabinets are between 34 1 2 and 35 inches tall without the countertop.
Typically standard base cabinets measure 34 1 2 h and 36 h from the floor to the top of the countertop when a countertop is installed.
The ideal upper cabinet height is 54 inches above the floor.
At one point the most common height was 18 inches above the countertop but this number has started to creep up to 20 inches to give people a little extra breathing room.
That is the bottom edge of the upper cabinets should sit 54 inches off the ground.
In standard kitchens the wall cabinets are typically 30 or 36 inches tall with the space above enclosed by soffits.