There are 2.54cm per inch. So this being a square function multiple 2.54x2.54=6.4516 take total sqcm and divide by 6.4516.
Example 4"x4"=16"sq (4x2.54=10.16) x (4x2.54=10.16)
10.16x10.16=103.2256 sqcm
103.2256sqcm/6.4516=16"sq
Chat with our AI personalities