Wallpapering Stairs - measuring up

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These measurements are based on standard rolls: i.e. 33ft x 21" or 10m x 530mm
Wallpapers	Distance around the hall/landings- including the doors and windows. For stairwell(s) see below.
Total feet around the hall/landings	33	39	46	52	59	66	72
Total metres around the hall/landings	10	12	14	16	18	20	22
7ft or 2.1m wall height	5	5	6	7	8	9	10
7ft6" or 2.3m wall height	5	6	7	8	9	10	10
8ft or 2.4m wall height	5	6	7	9	10	11	12
8ft6" or 2.6m wall height	5	6	7	9	10	11	12
9ft or 2.7m wall height	6	7	8	9	10	12	12
Ceilings horizontal to the stairs	Add 18 to 20 inches for each length going down the stair wall.Subtract 18 inches maximum going up the stair wall.
Ceilings diagonal, running parallel to the stair string.	Where there is no matching pattern, lengths can all be cut the same size. Where there is a pattern the length must be matched before cutting.With a large pattern wastage can be as much as 30 per cent. Cutting your lengths using two rolls alternate will reduce your wastage by half.

When papering the stairwell(i.e. the walls surrounding the stairs) always try to hang the longest length first. This usually means that you start papering in the middle of a wall.

The amount of paper needed changes according to the size of the matching pattern. The chart above assumes wallpaper without a matching pattern.
For instance, on a 7ft 6" wall, using a wallpaper with no pattern or a very small repeat pattern you will get four pieces from one roll but using a wallpaper with a large (24") repeat pattern you will only get three pieces from a roll. That means for a large pattern you will need an extra roll for every three of unpatterned.