Backset Measurement Tool
Calculate precise backset measurements for your smart lock installation. Get step-by-step guidance and compatibility verification for perfect alignment.
Precise Measurement
Compatibility Check
Step-by-Step Guide
Measurement Configuration
Distance from door edge to center of existing lock hole
Actual door thickness measurement
Measurement Results
60 mm
Recommended Backset
Compatibility Perfect
Tolerance ±1mm
Adjustment Needed None
Installation Difficulty Easy
Measurement Diagram
60mm
Measurement Steps
Compatibility Analysis
Measurement Guidelines
Standard Backsets
Common backset measurements are 60mm (European standard), 70mm (UK standard), and 44mm/57mm (US standards). Choose based on your region and door type.
Measurement Accuracy
Precise measurement is crucial for proper lock function. Use a quality measuring tape and measure from the door edge to the center of the lock cylinder hole.
Installation Tips
Consider door swing direction, frame clearance, and strike plate alignment. Professional installation may be required for non-standard measurements.