Furniture Fit Checker: Doorway & Moving Clearance Calculator
Check if large couches, mattresses, dining tables, and refrigerators can pass through exterior doorways, narrow hallways, tight stairwell landings, and elevators before buying or moving.
How Furniture Fit & Clearance Physics Work
Professional movers do not only look at length and width. Bulky furniture items can be rotated across multiple spatial axes. Our fit checker uses two primary spatial mechanics:
1. The Vertical Hook Technique
If a couch is longer than a doorway is wide, standing it upright vertically allows the sofa back to curl around the doorframe while the seat follows.
2. Diagonal Depth Calculation
Diagonal depth = √(Depth² + Height²). When tilted at 45 degrees, the minimum door clearance is determined by the distance from the top corner of the backrest to the bottom front corner.
Frequently Asked Questions About Moving Large Furniture
The most common bottleneck is not the front entry door, but 90-degree hallway corners and stairwell landings. Even if an entry door is 36 inches wide, a 34-inch wide hallway cannot accommodate an 84-inch sofa if there is not enough landing depth to rotate the piece.
Removing an open door from its hinge pins typically adds 1.5 to 2.5 inches of usable clear pass-through width. If door handles or panic bars protrude, removing the door avoids costly gouges to both the door and the furniture upholstery.
All-foam memory foam and latex mattresses can be folded in half temporarily with ratchet straps. However, traditional innerspring mattresses and rigid box springs cannot be bent without permanently breaking their steel perimeter border wire. For tight stairwells, consider split-box springs (two twin units).