使用本应用即可立即对比床垫尺寸与门口测量值——无论是特大号、大号、全尺寸还是单人床垫。
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
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Unlock stair simulation, AR visualization, and more.
Open the calculator and check any item against any space.
Open the fit calculator