What is the clear opening of a 32 inch door?

About 30 to 30.5 in. The nominal 32 in is the slab width. The jamb takes roughly 0.75 in per side and the stops take another 0.5 in per side, and if the door itself stands open in the opening it takes a further 1.375 in on that side. Measure it rather than deriving it, because jamb thickness varies.

What is the difference between nominal, clear and rough (structural) opening?

Nominal is the door slab width a supplier sells. Clear opening is the usable gap once the frame, stops and open door are subtracted, and it is 1.5 to 2 in less than nominal. Rough opening, called the structural opening in the UK trade, is the framed hole before the jamb is fitted, and it is about 2 to 2.5 in more than nominal. Three numbers, up to 5 in apart, all for the same door.

How much does removing the door add?

Lifting the door off its hinges recovers the door thickness plus the hinge stack, usually about 2 in of clear width. Removing the stops adds roughly 0.5 in per side. Taking off the casing and the jamb adds 1 to 1.5 in per side but is a real carpentry job with a repair afterwards.

What is the standard door opening size?

In the US, interior doors are commonly 28, 30 or 32 in nominal and entry doors 36 in, giving clear openings of roughly 26.5, 28.5, 30.5 and 34.5 in. ADA accessible routes require a 32 in minimum clear opening, which in practice means a 36 in door.

Does the door swing direction matter?

For the clear width, only in that the open leaf sits on one side and takes its thickness from that side. For getting an item through, it matters a lot: a door that swings into a narrow hallway can block the approach entirely even though the opening itself is wide enough.

ItemFits

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Home / Doorway & Entry Clearance

Door Opening Size Calculator

A 32 inch door is not a 32 inch opening. Work out the clear width you actually have.

Trusted across thousands of fit checks · updated daily

400 questions answered

Room Preview·Visual Results·Simulations

Fit summaryFIG. CLEARANCE

Whether it fits comes down to the measurements most people skip.

The frame, the stops and the open leaf take 1.5 to 2 in off the size on the label.

The spaceNominal 28" gives about 26.5" clear. 30" gives 28.5". 32" gives 30.5". 36" gives 34.5". Rough opening runs nominal plus 2 to 2.5". ADA minimum clear is 32"

What decides itClear opening width, measured stop face to door face with the door open

What to measureEnter the item you need to get through, or just the opening you measured

Measure the item and the narrowest usable space yourself. Small differences in trim, packaging, hardware, and model configuration can change the result. Check your own measurements before you buy or move.

ReferenceFurniture Dimensions Door Guide Door Sizes by Country

About 10 seconds · no signup

Verdicts compare the supported item orientations against the measurements shown above. See our methodology

10,000+ fit checks run·Last check: a few minutes ago

“Checked my mattress before ordering. Tight fit, but it worked with the door removed.” — Online shopper

Measure smart

What to measure.

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

01Clear opening: with the door open to 90 degrees, measure between the inside face of the door stop on one side and the door face on the other. This is the number every fit question actually turns on
02Nominal size: the width stamped on the door slab, which is what a supplier quotes and what nobody can move furniture through
03Rough opening: the framed hole in the wall before the jamb goes in, typically the nominal width plus 2 to 2.5 in
04Door thickness, because a door standing open takes its own thickness out of the clear width on that side
05Header height from the finished floor to the underside of the frame, which is the constraint for anything tall on a dolly

Don't make these

Common mistakes.

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

⚠Quoting the nominal size as the opening. A 32 in door gives roughly 30 to 30.5 in clear, and a 36 in door gives 34 to 34.5 in
⚠Measuring jamb to jamb and forgetting the stops, which take another 0.5 to 0.75 in per side
⚠Measuring with the door closed. The open door leaf takes its own thickness, usually 1.375 in, off one side
⚠Confusing rough opening with clear opening. They differ by 4 to 5 in on the same door, and using the wrong one either oversizes a purchase or strands a delivery
⚠Assuming the header is 80 in. Older properties and basements are frequently 76 to 78 in, and that is where a fridge on a dolly catches

Frequently asked

Questions we keep getting.

What is the clear opening of a 32 inch door?
About 30 to 30.5 in. The nominal 32 in is the slab width. The jamb takes roughly 0.75 in per side and the stops take another 0.5 in per side, and if the door itself stands open in the opening it takes a further 1.375 in on that side. Measure it rather than deriving it, because jamb thickness varies.
01
What is the difference between nominal, clear and rough (structural) opening?
Nominal is the door slab width a supplier sells. Clear opening is the usable gap once the frame, stops and open door are subtracted, and it is 1.5 to 2 in less than nominal. Rough opening, called the structural opening in the UK trade, is the framed hole before the jamb is fitted, and it is about 2 to 2.5 in more than nominal. Three numbers, up to 5 in apart, all for the same door.
02
How much does removing the door add?
Lifting the door off its hinges recovers the door thickness plus the hinge stack, usually about 2 in of clear width. Removing the stops adds roughly 0.5 in per side. Taking off the casing and the jamb adds 1 to 1.5 in per side but is a real carpentry job with a repair afterwards.
03
What is the standard door opening size?
In the US, interior doors are commonly 28, 30 or 32 in nominal and entry doors 36 in, giving clear openings of roughly 26.5, 28.5, 30.5 and 34.5 in. ADA accessible routes require a 32 in minimum clear opening, which in practice means a 36 in door.
04
Does the door swing direction matter?
For the clear width, only in that the open leaf sits on one side and takes its thickness from that side. For getting an item through, it matters a lot: a door that swings into a narrow hallway can block the approach entirely even though the opening itself is wide enough.
05

Related guides

Related item guides & reading.

Complete Guide to Measuring Furniture for a MoveMost people measure width and call it done. Moving requires 6 measurements per item — plus path measurements. Here's the complete measurement protocol.

Related fit checks.

Will a Couch Fit Through a Door?Free calculator checks if your couch or sofa fits a 28, 30, 32, or 36-inch doorway. Enter dimensions for an instant pass / tight-fit / fail verdict and the best tilt angle.Will a Fridge Fit Through a Door?Will your fridge fit through the door? Enter fridge and doorway sizes for a verdict that accounts for handles, hinges, and dolly height — plus how to remove doors if it's tight.What Door Width Do I Need for a Couch?Find the minimum door width to move a couch through. Standard sofas are 32–36 inches deep — see if your door works with tilting techniques.Will a Mattress Fit Through a Door?Check if your mattress will fit through a doorway. Measure clear width, flex the mattress, and plan tilt angles for king, queen, full, and twin sizes.Elevator Size CalculatorFree elevator size calculator. Check furniture and appliances against the cab door, depth and height, including the diagonal that gets tall items in.

All door fit checks →

Unlock stair simulation, AR visualization, and more.

Will it fit? Know before you buy.

Get a verdict in seconds — then test every angle until you’re sure.

Open the fit calculator

ItemFits

About Blog FAQ Features Pricing Work with us

Home / Doorway & Entry Clearance

Door Opening Size Calculator

A 32 inch door is not a 32 inch opening. Work out the clear width you actually have.

Trusted across thousands of fit checks · updated daily

400 questions answered

Room Preview·Visual Results·Simulations

Fit summaryFIG. CLEARANCE

Whether it fits comes down to the measurements most people skip.

The frame, the stops and the open leaf take 1.5 to 2 in off the size on the label.

The spaceNominal 28" gives about 26.5" clear. 30" gives 28.5". 32" gives 30.5". 36" gives 34.5". Rough opening runs nominal plus 2 to 2.5". ADA minimum clear is 32"

What decides itClear opening width, measured stop face to door face with the door open

What to measureEnter the item you need to get through, or just the opening you measured

ReferenceFurniture Dimensions Door Guide Door Sizes by Country

About 10 seconds · no signup

Verdicts compare the supported item orientations against the measurements shown above. See our methodology

10,000+ fit checks run·Last check: a few minutes ago

“Checked my mattress before ordering. Tight fit, but it worked with the door removed.” — Online shopper

Measure smart

What to measure.

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

01Clear opening: with the door open to 90 degrees, measure between the inside face of the door stop on one side and the door face on the other. This is the number every fit question actually turns on
02Nominal size: the width stamped on the door slab, which is what a supplier quotes and what nobody can move furniture through
03Rough opening: the framed hole in the wall before the jamb goes in, typically the nominal width plus 2 to 2.5 in
04Door thickness, because a door standing open takes its own thickness out of the clear width on that side
05Header height from the finished floor to the underside of the frame, which is the constraint for anything tall on a dolly

Don't make these

Common mistakes.

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

⚠Quoting the nominal size as the opening. A 32 in door gives roughly 30 to 30.5 in clear, and a 36 in door gives 34 to 34.5 in
⚠Measuring jamb to jamb and forgetting the stops, which take another 0.5 to 0.75 in per side
⚠Measuring with the door closed. The open door leaf takes its own thickness, usually 1.375 in, off one side
⚠Confusing rough opening with clear opening. They differ by 4 to 5 in on the same door, and using the wrong one either oversizes a purchase or strands a delivery
⚠Assuming the header is 80 in. Older properties and basements are frequently 76 to 78 in, and that is where a fridge on a dolly catches

Frequently asked

Questions we keep getting.

What is the clear opening of a 32 inch door?
About 30 to 30.5 in. The nominal 32 in is the slab width. The jamb takes roughly 0.75 in per side and the stops take another 0.5 in per side, and if the door itself stands open in the opening it takes a further 1.375 in on that side. Measure it rather than deriving it, because jamb thickness varies.
01
What is the difference between nominal, clear and rough (structural) opening?
Nominal is the door slab width a supplier sells. Clear opening is the usable gap once the frame, stops and open door are subtracted, and it is 1.5 to 2 in less than nominal. Rough opening, called the structural opening in the UK trade, is the framed hole before the jamb is fitted, and it is about 2 to 2.5 in more than nominal. Three numbers, up to 5 in apart, all for the same door.
02
How much does removing the door add?
Lifting the door off its hinges recovers the door thickness plus the hinge stack, usually about 2 in of clear width. Removing the stops adds roughly 0.5 in per side. Taking off the casing and the jamb adds 1 to 1.5 in per side but is a real carpentry job with a repair afterwards.
03
What is the standard door opening size?
In the US, interior doors are commonly 28, 30 or 32 in nominal and entry doors 36 in, giving clear openings of roughly 26.5, 28.5, 30.5 and 34.5 in. ADA accessible routes require a 32 in minimum clear opening, which in practice means a 36 in door.
04
Does the door swing direction matter?
For the clear width, only in that the open leaf sits on one side and takes its thickness from that side. For getting an item through, it matters a lot: a door that swings into a narrow hallway can block the approach entirely even though the opening itself is wide enough.
05

Related guides

Related item guides & reading.

Related fit checks.

All door fit checks →

Unlock stair simulation, AR visualization, and more.

Will it fit? Know before you buy.

Get a verdict in seconds — then test every angle until you’re sure.

Open the fit calculator

Real checks people ran

Verified results for this exact item at specific dimensions — see the margin, the tilt, and the constraint that decided each one.