Door Preparation Calculator

Calculate precise measurements and requirements for door modifications during smart lock installation. Ensure proper preparation for seamless installation.

Door Preparation Calculator

Enter your door specifications to calculate preparation requirements

Door Specifications

inches
Standard residential doors: 1.375" - 1.75"
inches
inches

Smart Lock System Specifications

inches
Standard: 2.375" or 2.75"
inches
Standard: 2.125" (54mm)
inches
Standard: 1" (25mm)

Installation Options

Preparation Requirements

Enter door and lock specifications to see preparation requirements

Tools Required

Tool requirements will appear after calculation

Precise Measurements

Calculate exact drilling depths, hole diameters, and spacing requirements for your specific door and lock combination.

Material Compatibility

Get material-specific recommendations for different door types including wood, steel, fiberglass, and composite materials.

Tool Requirements

Receive a complete list of required tools and equipment based on your door material and installation complexity.