Calculators

Hallway Wallpaper Calculator: How Many Rolls for a Long, Narrow Space?

A hallway breaks most people's intuition about wallpaper quantity because the floor area looks small but the wall area doesn't scale down the same way — a long, narrow corridor can have as much total wall length as a much bigger room, just spread across more corners and more doors. Getting a hallway wallpaper calculation right means measuring it as a series of straight runs rather than treating the whole space as one number, and accounting for every doorway along the way.

Open the Wallpaper Planner

Break the hallway into straight wall runs

A hallway rarely runs in one straight line — it turns at least one corner, and often several, on its way from the front door to the rest of the house. Treat each straight section between corners as its own wall: measure its width and its ceiling height separately, the same way you would for the individual walls of a bedroom. Measuring a hallway as a single wrap-around perimeter makes it easy to lose track of a short return wall beside a door, which is exactly the kind of section that gets forgotten and leaves you short.

Subtract every doorway — there are usually more than you think

Hallways typically connect more rooms than any other space in the house, which means more doors per metre of wall than a bedroom or living room ever has. Walk the hallway and note every door, including cupboard doors and any built-in storage, because each one removes a strip's worth of wallpaper from that wall. Skipping this step is the single biggest reason hallway estimates run high — a hallway with four or five doors along its length can have a genuinely paperable wall width well under the room's total perimeter.

A staircase off the hallway changes the wall height mid-run

If the hallway leads onto a staircase, or the stairs rise directly off it, the wall alongside the stairs isn't a fixed height — it climbs strip by strip as the stairs rise. Measure that wall at its tallest point and use that figure for every strip on that section; you trim the excess off the shorter strips near the bottom once the paper is hung, rather than under-measuring by using an average height partway up the run.

Count drops per run, not per hallway

Once each straight section is measured, divide its width by the usable strip width (around 52 cm after trimming) to get the number of drops for that run. Do this separately for every section rather than adding all the widths together first — a hallway with several short runs and doorways generates more full-width drops relative to its total wall area than a single long open wall would, because each doorway forces a fresh drop on either side of it instead of letting one continuous strip run past.

Why a hallway calculator earns its keep here

A hallway is exactly the kind of space where a manual tally goes wrong — several short wall sections, a handful of doors, and often a change in height where the stairs begin. The Wallpaper Planner lets you add each straight run as its own wall, mark the doorways on each one, and handle the sloped stairwell section as its own entry with its own tallest-point height. Enter the hallway exactly as it's laid out rather than trying to average it into one perimeter figure.

Ready to see the price for your project?

Get a free roll estimate in the planner, then unlock the exact cutting plan, workbench sheets, and order list from a one-time project or yearly plan.

See plans & pricing

Or try the free planner first →

Common questions

How many rolls of wallpaper do I need for a hallway?

A typical domestic hallway of around 6m run length with 2.4m ceilings, three or four doors, and one staircase wall usually needs 6-9 rolls of a plain or small-repeat paper. The doors reduce the total more than the floor area suggests, but the stairwell wall's changing height adds some back — measure each straight run and the stair wall separately for an accurate figure.

Do doors and cupboards really make that much difference in a hallway?

Yes — hallways typically have more doors per metre of wall than any other room in the house, so subtracting each one properly can bring the estimate down noticeably compared with treating the hallway as an unbroken wall run. Walk the hallway and note every door, including built-in cupboards, before you measure.

Does the staircase wall count as part of the hallway calculation?

If the stairs rise directly off the hallway, yes — measure that wall to its tallest point and treat it as its own section with its own drop count, rather than averaging its height into the rest of the hallway. The Wallpaper Planner lets you enter it as a separate wall for this reason.

More wallpaper guides

See all guides →

Get your exact roll count

Draw your walls — including sloped sections, alcoves, and single feature walls — and get a free estimate before you buy.

Open the Wallpaper Planner

Planning a specific room? See how much wallpaper you need →

Ready to count rolls? Try the Hallway calculator →

Quoting this as a job, not a DIY project? Try the contractor estimator →

Choosing a pattern for the hallway? Hallway wallpaper ideas →

Papering the stairwell that leads off it? Staircase wallpaper calculator →

Calculate your exact roll count for your hallway. Hallway wallpaper calculator →