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Will it fit?

Know before you buy, move, deliver, or install.

Check furniture, appliances, rooms, vehicles, doors, stairs, elevators and more

itemfits.com/check
Your check

Will a window air conditioner 48 × 41 × 33 cm fit through a 91 cm door?

It fitsHigh confidence
+43 cm to spare · fits upright, no tilt needed
Tightest point · doorway width
door91 cmvsitem48 cm
Item user provided · door estimated from standard interior spec
Best approach
Upright, no tilt
Effort
Easy
Explain thisExplainFull calculationCalculationsVisual proof3D

See the diagram on the right — the 48 cm item centered in the 91 cm opening, with the 43 cm gap marked at the tightest point.

Try anotherThrough a stairwellIn a sedanA bigger unit
Fit schematic: WINDOW AC vs DOORWAY: FITS, 43 cm clearance.91 cm2.0 mWINDOW AC+43 cm clearFITS

Run it before the purchase, the move, the delivery, the install.

3,500fit checks run
Allconstraint types covered
3Dvisual proof on every fit
3freechecks to start
No credit card requiredRecently reviewed on YouTube

Not just a yes or no.
A complete fit workflow

ItemFits is your spatial check for everything between a measurement and a decision you can act on.

  • playing
    ONE SET OF DIMENSIONS

    Measure once, check everywhere

    Enter the item once. ItemFits runs it against doors, stairs, vehicles, and rooms in a single pass.

  • 6 orientations tested
    preview
    NO MANUAL FIDDLING

    Every angle, tried for you

    It rotates and tilts the item through all six orientations and keeps the one that actually clears.

  • +3.2″32″
    preview
    THE DECIDING CONSTRAINT

    See the tightest point

    ItemFits finds the exact spot that decides the fit and shows the margin in inches, not a vague maybe.

  • √(w²+h²)= 35.6″opening 38″margin +2.4″
    preview
    EVIDENCE, NOT A GUESS

    Proof you can act on

    Step-by-step calculations and a rotatable 3D view, so you can trust the answer before you buy.

drag, swipe, or tap a preview · 1 / 4

Will it fit through the door?

Check clearance, tilt, and real-world tolerances, including the diagonal you only notice when the box is already stuck.

  • Diagonal clearance, not just width
  • Tilt and rotation along the path
  • Tolerances applied to borderline calls
door · front view36″ openingtilt 16° · clears the diagonal
verdict fitsclearance +2.1″tilt 16°

Will it make the turn upstairs?

Analyze stair width, landings, turns, and height clearance, so a tight switchback does not become a surprise.

  • Landing and turn-radius geometry
  • Headroom and ceiling clearance
  • Step run and width checked together
stairs · turn + headroomheadroom 78″turn radius ok
landing clearsstair width 34″height 78″

Will it fit in my SUV, truck, or van?

Compare the item against real cargo dimensions, with seats up or down, before you drive to the store.

  • Cargo dimensions by vehicle
  • Seats-up and seats-down volumes
  • Loading angle through the hatch
vehicle · cargoitem 58″62″
seats down fitscargo 72″margin +14″

Will it fit in the room?

Check floor space, clearance, walkways, and placement, so the piece works once it is finally inside.

  • Footprint against floor space
  • Walkway and door-swing clearance
  • Placement against windows and walls
room · top-down planwalkway 36″ clearsectional
placement workswalkway 36″wall gap +4″

Will it fit down the hallway?

Measure the corridor against the item's widest point, including the depth of a sofa or the swing of a long box, before it ever leaves the truck.

  • Corridor width vs the item's widest point
  • Clearance kept along the whole run
  • Tight pinch points flagged before the move
hallway · top-down42″ widesofa 33″ deep+9″ clear along the run
corridor fitswidth 42″clearance +9″

Will it make the corner?

Pivot a long item around an L-turn the way you actually would, checked against the real turning radius, not just the straight-line width.

  • Pivot geometry around the inner corner
  • Turning radius for long items
  • The tightest swing point called out
corner · pivot + turn radiuspivot clearsturn radius ok
corner clearslongest side 78″turn ok

Will it fit in the elevator?

Check the car door, the interior height, and the diagonal you can tilt into, so a tall appliance does not strand you in the lobby.

  • Door opening against the item footprint
  • Interior height and headroom
  • Diagonal tilt when the ceiling is tight
elevator · car interiorcar 90″door 42″fridge 84″+6″ headroom
car fitsdoor 42″headroom +6″

Will it all fit in the container?

Pack multiple boxes into a storage unit, truck, or bin and prove the arrangement actually closes, not just that the volume adds up.

  • Real 3D packing, not just volume math
  • Every box placed and proven
  • Leftover space shown at a glance
container · packing plan48″ × 30″spaceleft
packing provenboxes 4space left 1 slot

See the fit, not just the answer.

Get visual proof and step-by-step calculations. Watch the item clear the constraint and see exactly how the margin was reached.

  • Rotatable 3D view of the fit
  • Every number in the calculation
  • The tightest point called out
visual proof · 3D + mathdiagonal = √(w²+h²)= 35.6″opening = 38.0″margin = +2.4″
proven fitsdiagonal 35.6″margin +2.4″

Where things usually go wrong

Each row is a real failed-fit scenario — here is what each option actually does about it.

Where it goes wrongTape measureChatbotItemFits
R-01No tape measure, or the item isn't on hand yetCan't measure what's not there≈Asks you to look it upFinds likely item dimensions and labels what was estimated
R-02Item only fits when tipped or rotatedManual guesswork≈May suggest an angleTests every orientation and tilt path
R-03Door, hallway, and stairs all need to work togetherEach space checked separately≈Often treats them separatelySolves the connected path with one compatible orientation
R-04Mattresses, cushions, and boxes can compressHard to estimate≈Vague adviceModels compression by category and tells you how much you need
R-05Confidence in the answerYour confidence only≈Varies by promptShows assumptions, margins, and confidence tier

*3D schematics ship with most fit checks. A few edge-case configurations are answered by the math verdict alone.

Every kind of fit question, answered

“Will it fit?” is only the start. ItemFits covers the whole family of spatial questions — pick the one that matches what you actually need to know.

Will it fit?

Real people. Real fits.

Short clips from the people who checked before they bought, moved, or installed. One more is on the way.

Coming soon

Got a clip? Yours could be next.

Send us yours

Simple pricing. No subscriptions.

Pay once for the project in front of you, or once for every check you will ever run.

Project Pass
$9.99 · One-time

Everything you need to confidently complete one move, delivery, or purchase.

  • Up to 15 fit analyses
    • Visual proofs for up to 5 analyses
    • Email support

Avoid expensive sizing mistakes before you buy, move, or schedule delivery.

⭐ Best Value
Unlimited
$29.99 · One-time

Unlimited planning for every move, purchase, and project—today and in the future.

  • Unlimited fit analyses
    • Unlimited visual proofs
    • Developer support within 24 hours

Keep ItemFits available whenever your next project begins—no limits, no surprises.

Frequently asked questions

Everything worth knowing before your first check.

01 / 05

The basics

ItemFits helps you find out whether things fit before you buy, move, deliver, or install them.

Check furniture, appliances, vehicles, storage units, rooms, elevators, stairs, doorways, and more — and get a clear answer, visual proof, and the calculations behind it.

Avoid a bad fit before it happens.

One measurement now beats a couch wedged in the stairwell later. Your first checks are free.

ItemFits

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