Anyone shorter may need a step stool or the assistance of a taller family member to easily access upper shelves.
Standard height kitchen wall cabinets.
When using 42 inch cabinets in an 8 foot ceiling there will be no room left for a crown molding.
Add 1 1 2 for a standard countertop and 18 inches for a standard backsplash though some designers now want a 20 inch backsplash to make room for small appliances.
With an 18 inch backsplash the total measurement should be 54 inches from the floor to the bottom of the upper cabinets.
Where the cabinets run all the way to the ceiling 48 inch cabinets are the logical choice.
If the kitchen has a 9 foot ceiling the largest standard size wall cabinets 42 inches high are used.
For height you have the option of 30 inches 36 inches or 42 inches.
With an upper cabinet mounting height of 54.
Once installed over your base cabinets the top of your wall cabinets will be at 84 inches 90 inches or 96 inches respectively.
Cabinets are sold in standard heights of 30 36 or 42 inches.
Common wall cabinet heights are 12 36 and 42 inches.
Most standard cabinets are 34 1 2 high.
In standard kitchens the wall cabinets are typically 30 or 36 inches tall with the space above enclosed by soffits.
A 12 inch or 15 inch tall cabinet fits neatly over a refrigerator.
There are of course some exceptions to these standards.
Factor in the height of ceilings and trim when determining cabinet size and position.
The 8 inch user will be able to reach all shelves without a step stool.