A standard interior hollow core door is classified as a measurement.
How to properly measure for a correct door handle.
At the top of the door opening in the middle of the door opening around the handle and at the bottom of the door opening.
Measure width first and then height.
Do this in three places.
1 measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Measure this edge on the door frame known as the jamb as well.
These numbers should be close to the same but it can be helpful to know both of them.
Measure the width of the door from left to right from inside of trim to inside of trim or the inside face of the brick mold.
The most common thickness is 1 75 inches 4 4 cm.
Record the backset distance the length from the door edge to the center of the lockset.
Make a note of all three measurements.
The most common residential bedroom doors are a 2 feet 6 inches by 6 feet 8 inches.
Standard interior doors door parameters.