Will a Standard 3-seat sofa (84"×35"×34") (213x91x86 cm) Fit Through a 91 cm Door?

Will a Standard 3-seat sofa (84"×35"×34") (213x91x86 cm) Fit Through a 91 cm Door?

−4 ft over

· ON THE WIDTH AXIS

It exceeds the opening at the tightest point.

Your standard 3-seat sofa (84"×35"×34") will not clear the space — but only just — it is a hair over the limit at the tightest point. The passage is the limiting constraint.

Handling: The item exceeds the space in every orientation — standard entry won't work.

7 ft vs 36 in

Overage −4 ft (−133.5%) on the WIDTH axis

Axis-aligned check (before rotation)
✕	WIDTH	7 ft	>	36 in	−4 ft	(−133.5%)
—	DEPTH	not applicable (2D opening — door)
✓	HEIGHT	34 in	≤	8 ft	+5 ft 2 in	(+64.6%)

Orientation	Width	Height	Result	Note
2134mm across, 863.5999999999999mm vertical	-4 ft	5.17 ft	✕	Too wide
2134mm across, 914.4mm vertical	-4 ft	5.01 ft	✕	Too wide
863.5999999999999mm across, 2134mm vertical	0.16 ft	1 ft	✓
863.5999999999999mm across, 914.4mm vertical	0.16 ft	5.01 ft	✓
914.4mm across, 2134mm vertical	0 ft	1 ft	✕	Too wide
914.4mm across, 863.5999999999999mm vertical	0 ft	5.17 ft	✕	Too wide

Margins shown are calculated; allow ±¼ in for tape-measure precision.

How the door-passage check works

A door is a 2D opening — width and height matter; depth (path length through the doorway) doesn’t.

Generate all 6 dimension permutations of the item (3 axes × 2 flips).
For each permutation, apply the door constraint: item_width ≤ door_width AND item_height ≤ door_height.
Subtract 1.5 in handling clearance from each axis to leave room for human movement.
Pick the permutation with the largest minimum-axis margin — that’s the orientation a mover would choose.
Verdict ladder (verdict-tiers.js): FITS if margin ≥ 2 in; FITS_TIGHT if 0.5–2 in; FITS_VERY_TIGHT if 0–0.5 in; DOESN'T_FIT below.

Tolerance ±¼ in (6 mm) is applied implicitly (band promotion to FITS_VERY_TIGHT) — see the note below the orientation matrix.

Similar calculations

7 ft Standard 3-seat sofa (84"×35"×34") through a 35 in doorwayDOESN'T FIT

7 ft Standard 3-seat sofa (84"×35"×34") through a 32 in doorwayDOESN'T FIT

7 ft Standard 3-seat sofa (84"×35"×34") through a 28 in doorwayDOESN'T FIT

7 ft Standard 3-seat sofa (84"×35"×34") through a 32 in doorwayDOESN'T FIT

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