2150mm high 2300mm high with legs so when fitting your wall units measure 490mm from the top of the worktop and that is where the base of the wall unit will be positioned.
Height of kitchen wall cabinets above worktop.
The general rule is to then set your sockets 150mm above this measured from worktop surface to the bottom of the socket.
The standard height of a worktop from the floor to the worktop surface is 910mm.
Usually wall units are fitted at between 450 to 485mm above the worktop.
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.
Added together this means the standard socket height is 1060mm from the floor to the bottom of the socket.
Usual height of base units is around 870mm check that your kickboards will fit in without too much gap between top of kickboard and base unit if you have a tall base unit ie for oven housing or built in fridgefreezer then this will set the top height of your wall units.
So widely accepted is this standard is that base cabinet manufacturers build all their cabinets to a height of 34 1 2 inches assuming an adequate toe kick and countertop thickness will be 1 1 2 inches.
Kitchen countertop standards for countertops the established standard is for the top of the countertop to fall about 36 inches above the floor.
A 12 inch or 15 inch tall cabinet fits neatly over a refrigerator.
The ideal upper cabinet height is 54 inches above the floor.
But 90cm is just an average.
Where the cabinets run all the way to the ceiling 48 inch cabinets are the logical choice.
Altering the height of kitchen units.
If you re very tall and you opt for a custom made kitchen not necessarily a prohibitively expensive option you can specify a worktop height more comfortable for your stature.
This is so that the wall units are the same finished height of a tall appliance housing which is usually around 2117mm high.
Common wall cabinet heights are 12 36 and 42 inches.
Please note that the height of 490mm is from the top of the worktop to the bottom of the wall unit not the bottom of the lighting pelmet.
A standard worktop averages 90cm in height.
Wall cupboards are usually fitted 500mm above a 900mm high worktop though if your worktop is thicker than 30mm then this dimension will diminish.