How many Rolls will I need?

Metric

Each Roll Of Wallpaper Covers 5 Square Meters Of Wallspace
Linear Meters X Height In Meters / 5 = # Of Rolls Needed

Standard

Each Roll Of Wallpaper Covers 50 Square Feet Of Wallspace
Linear Feet X Height In Feet / 50 = # Of Rolls Needed

Roll Sizes

Wallpaper Sold In The Usa Is Packed In A “Double Roll” Bolt.
Double Rolls Are Usually Packaged As Follows:

52 Cm X 10 M
21 In X 33 Ft

Or

68 Cm X 8.2 M
27 In X 27 Ft

Or

91 Cm X 7.32 M
36 In X 24 Ft