Sofa Size Calculator
Check if a sofa fits through a doorway.
A quick check whether a sofa can pass through a doorway.
The math behind it
The sofa's smallest diagonal cross-section must be less than either the door width or height.
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.