Use the app to check your mattress size against your doorway measurements instantly — king, queen, full, or twin.
Whether it fits comes down to the measurements most people skip.
Real openings run about 1 to 2 inches under the labeled size, and a single inch can flip the result. Check your own measurements before you buy or move.
Verdicts compare all six item orientations against the space using verified building standards. See our methodology
“Checked my mattress before ordering. Tight fit, but it worked with the door removed.” — Online shopper
Measure smart
Four numbers decide nearly every fit check. Get these right and the rest follows.
Don't make these
Most “it didn't fit” stories trace back to one of these oversights.
Frequently asked
Memory foam and all-foam mattresses can be folded or bent for short periods without damage. Innerspring and hybrid mattresses should not be bent — forcing them can break coils and void the warranty. Check your mattress type before attempting.
01Yes — standing a mattress on its long edge is the standard technique. A queen mattress is 60 inches wide but only about 10–14 inches thick. On its side, you only need 10–14 inches of door width plus clearance. The length (80 inches) must clear the standard door height.
02Remove the door and hinges (adds ~2 inches). If still too tight, check for a sliding glass door, patio door, or window that may be wider. Some mattress companies offer compressed/rolled delivery specifically for tight access situations.
03Related guides
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Open the calculator and check any item against any space.
Open the fit calculatorVerified results for this exact item at specific dimensions — see the margin, the tilt, and the constraint that decided each one.