0
Anonymous
0.708661417 inches
Direct Conversion Formula 18 mm*
1 in
25.4 mm
=
0.7086614173 in
Wiki User
Chat with our AI personalities
There are 457.2 millimeters in 18 inches. 18 inches x 25.4 millimeters/1 inch = 457.2 millimeters. 1 inch = 25.4 millimeters