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Door & Doorway Guides: Sizes, Measuring, Removal & Double Doors

Everything you need to know about doorway clearance for moving furniture. Standard sizes, how to measure, door removal techniques, and French door tips.

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Door Guides

Door & Doorway Guides: Sizes, Measuring, Removal & Double Doors

Everything you need to know about doorway clearance for moving furniture. Standard sizes, how to measure, door removal techniques, and French door tips.

How to Measure Door Clear Opening

Step-by-step measurement process for the actual usable space in your doorway.

Door Removal for Moving

How to remove hinge pins, unscrew hinges, or remove trim for 1.5 to 5 inches of extra clearance.

French Doors & Double Doors

Measuring active vs inactive leaves, astragal removal, and sliding vs hinged patio doors.

Measure smart

What to measure.

Four numbers decide nearly every fit check. Get these right and the rest follows.

  1. 01Clear opening width — inside edge to inside edge of the frame, door fully open
  2. 02Clear opening height from the threshold to the underside of the frame
  3. 03Extra clearance gained by lifting the door off its hinges (1.5–2 inches)
  4. 04Your furniture's smallest face in every orientation

Don't make these

Common mistakes.

Most “it didn't fit” stories trace back to one of these oversights.

  1. ⚠Measuring the door slab instead of the clear opening
  2. ⚠Forgetting the door itself eats 1.5–2 inches when it can't swing fully clear
  3. ⚠Ignoring the diagonal — many items pass a doorway tilted that won’t pass square
  4. ⚠Overlooking trim, weatherstripping, and doorstops that shrink the real opening

Related

Related guides & calculators

Door fit calculatorDoor sizes by countryHallway fit calculatorElevator fit calculatorHow to measure a doorway

Frequently asked

Questions we keep getting.

  • What's the difference between door size and clear opening?

    The nominal door size names the slab; the clear opening is the actual usable gap, roughly 2 inches narrower once you account for the frame and stops. Always measure the clear opening for fit checks.

    01
  • How much room do I gain by taking the door off?

    Popping the hinge pins removes the slab and typically frees 1.5–2 inches of width — often the difference between a fit and a no-fit. It takes a few minutes and a screwdriver.

    02
  • What's a standard interior door width?

    Interior doors are commonly 28–32 inches nominal, giving roughly 26–30 inches of clear opening. Exterior and entry doors run wider, and regional standards vary — so measure rather than assume.

    03
  • Can I tilt furniture through a doorway?

    Yes — moving an item diagonally uses the door's diagonal, which is larger than its width or height alone. Lead with the narrowest corner and pivot through.

    04

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