How to

How to take accurate interior door measurements.

Measure the opening, wall conditions, and handing before ordering or requesting support.

Step-by-step guide

Follow the standard preview workflow.

Replace these placeholder notes with final technical drawings, diagrams, and installation documents.

Measure width at the top, middle, and bottom. Use the smallest dimension as the control number.

Measure from finished floor to the top of the opening at both sides and the center.

Confirm wall thickness and note any casing, tile, flooring, or trim conditions.

Stand on the pull side and note hinge side, swing direction, or sliding direction.

Capture front, side, floor, and header conditions for support review.

Measurements and installation requirements vary by product family, wall condition, and hardware package.