Will a King mattress (76"×80"×12") Fit Through a Door?

✓ Fits with 0.33 ft clearance [why-details] > Why this result? Won't fit in its natural orientation, but fits when laid on its side, longest dimension passing through — 0.33 ft clearance. Tightest point: Item vs Opening (width axis) Remaining clearance: 0.33 ft (12.5%) [/why-details] [maneuver-details] > How the maneuver works Orient the item so it is laid on its side, longest dimension passing through. Slide straight through the opening, keeping it level. Required entry angle: ~0° Minimum approach space: standard (item length) [/maneuver-details] [difficulty-details] > Real-world difficulty Safety margin: Adequate Operational expectation: Standard handling — no special equipment or technique needed. [/difficulty-details] [details-below] What we used · Medium Confidence Opening: 2.67 ftW × 6.67 ftH Item: item — smallest cross-section 0.83 ft (estimated) *Rotation required: laid on its side, longest dimension passing through* Assumptions - Detected mattress, size: king - Estimated depth, height from local_db (depth, height not provided by user) - Assumed standard door height: 80" (2032mm) - Applied 38mm practical clearance for handling All orientations tested (6 orientations) | | Orientation | Width | Height | Note | |---|------------|-------|--------|------| | ✓ ← | 0.83×6.33 ft (front/back) | 1.83 ft | 0.33 ft | | | ✗ | 0.83×6.67 ft (sideways) | 1.83 ft | 0 ft | too_tall | | ✗ | 6.33×0.83 ft (front/back) | -3.66 ft | 5.83 ft | too_wide | | ✗ | 6.33×6.67 ft (laid flat) | -3.66 ft | 0 ft | too_wide | | ✗ | 6.67×0.83 ft (sideways) | -4 ft | 5.83 ft | too_wide | | ✗ | 6.67×6.33 ft (laid flat) | -4 ft | 0.33 ft | too_wide | Step-by-step proof (best: 0.83×6.33 ft) 1. Width: 0.83 ft item ≤ 2.67 ft opening → ✓ (1.83 ft clearance) 2. Height: 6.33 ft item ≤ 6.67 ft opening → ✓ (0.33 ft clearance) Limiting: height at 0.33 ft *Measure your specific space to confirm — dimensions vary.*