Everyday life

Sofa Size Calculator

Check if a sofa fits through a doorway.

Sofa depth

Sofa height

Door width

Door height

Calculated Output

Fits through door? Likely (pick > turn)

Formula: the diagonal of the sofa cross-section must be ≤ door dimensions

Step-by-Step Breakdown

1. Values used:

2. Sofa depth = 36

3. Sofa height = 30

4. Door width = 32

5. Door height = 80

7. Fits through door? = Likely (pick > turn)

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The math behind it

The sofa's smallest diagonal cross-section must be less than either the door width or height.

36×30 in sofa, 32 in door → may fit on its side.

Pivot technique?

Turn the sofa so its depth goes through the doorway.