How big is a gymnastics or cheer mat? 

A typical cheer floor is 42’ x 54’, or nine full-size, 6’ x 42’ carpet bonded foam floor rolls; gymnastics floors are typically 42’ x 42’, or seven full-size 6’ x 42’ carpet bonded foam floor rolls. Home gym mats range from 3’ x 6’ to 12’ x 12’ with two rolls of 6’ x 12’.