Measuring Your Lock Backset
Posted by Jim Noort on 28th Sep 2024
What Is a Backset?
The backset of a door is a crucial yet often overlooked dimension when it comes to choosing the right door lock or latch. It’s essentially the horizontal distance between the edge of the door and the center of the bore hole (the hole drilled to accommodate the spindle in the latch).
How to Measure Your Door’s Backset
Locate the Center: Check out the image below Find the “backset” on a standard door. It’s where the borehole lives. Measure from the center of that borehole to the edge of the door frame. Voilà! You’ve got your backset measurement.
In Australia, most residential locks have a 60mm backset.
Remember, measuring your backset isn’t just about numbers; it’s about ensuring your door hardware fits like a well-tailored suit. Measure Twice, Install Once