: For closets or hallways where no lock is needed.

Arthur stood in front of his bedroom door, staring at the empty, jagged hole where a brass handle once lived. It had finally given up the ghost after forty years. He realized he didn't just need a new handle; he needed a plan. Step 1: The Great Measurement

: He checked the door's width; it was a sturdy 1 3/8 inches, common for interior doors. Step 2: Choosing the Function

: He measured from the center of the bore hole to the edge of the door. It was 2 3/8 inches—the standard distance, though some doors require 2 3/4 inches.

Arthur picked a privacy knob with a "deadlatch" configuration to ensure it would click shut securely. He headed home, armed with his new hardware and a screwdriver, ready to bridge the gap between his rooms once again. How to Determine the Backset of Your Door - Lowe's

: He measured the diameter of the circular hole. As wikiHow notes, this is typically 2 1/8 inches.

How To Buy Door Knobs -

: For closets or hallways where no lock is needed.

: He checked the door's width; it was a sturdy 1 3/8 inches, common for interior doors. Step 2: Choosing the Function : For closets or hallways where no lock is needed

: He measured from the center of the bore hole to the edge of the door. It was 2 3/8 inches—the standard distance, though some doors require 2 3/4 inches. He realized he didn't just need a new

: He measured the diameter of the circular hole. As wikiHow notes, this is typically 2 1/8 inches.