How many inches is 3cm?

1 Answer

Roughly 1.2 inches. More exactly, 1.1811023622 inches.

Explanation:

The conversion is, fairly exactly, #1 " cm"=0.3937007874 " inches"# which gives #3 " cm"=1.1811023622 " inches"#

However, for ease, I tend to use #1 " cm"=0.4 " inches"#, which gives #3 " cm"=1.2 " inches"#