Sofa Size Calculator
Check if a sofa fits through a doorway.
A quick check whether a sofa can pass through a doorway.
How the Math Works
The Sofa Size Calculator uses the Pythagorean theorem to determine if a sofa can fit through a doorway. It calculates the diagonal measurement of the sofa's cross-section (width and height) using the formula: diagonal = √(width² + height²). This diagonal must be less than or equal to the door's dimensions (width and height) to ensure the sofa can pass through without tilting or damage. The calculation accounts for the tightest possible orientation of the sofa during movement.
Practical Applications
To use the calculator, first measure the sofa's width and height at its widest points. Input these values into the calculator, along with the doorway's width and height. The tool automatically computes the sofa's diagonal and compares it to the door dimensions. If the diagonal is smaller than the door's smallest dimension, the sofa will fit; if not, consider alternative entry methods or furniture adjustments. Always account for door frames, thresholds, and other obstacles during the actual move.
Day-to-Day Use
This calculator simplifies furniture moving decisions by providing instant, accurate fit assessments. It helps avoid costly mistakes like damaged doorframes or failed delivery attempts, saving time and stress during relocations, home renovations, or IKEA assembly days. By planning ahead, users can select appropriately sized furniture or choose alternative entry routes, ensuring smooth transitions into new spaces without last-minute surprises.
Worked example
36×30 in sofa, 32 in door → may fit on its side.
FAQ
Pivot technique?
Turn the sofa so its depth goes through the doorway.