One type of cabinet door hinges that require precise placement is the inlay type of cabinet door hinge.
Hinge placement on a door.
Most doors require a minimum of two hinges.
When a door starts to sag and hang crooked it always does so from the top so the upper part of the doorknob side is where it will start to catch.
This hinge is placed within a cut out in the cabinet door that is made with a router or chisel.
How to determine hinge spacing on a door.
Placement is flush with the outside edge of the cabinet door with both hinges 2 inches from the top and bottom edge.
I can t say i remember where i first learned the rules on hinge placement but i think it was simply by observation of the existing doors in the 18th and 19th century new england homes that i was working on.
I grew accustomed to the aesthetics of the traditional hinge placement used on these older homes.