handymath.com
Roll Length Calculator for the iPhone
Outside Diameter
ft
in
m
cm
mm
Thickness of Material
ft
in
mil
m
cm
mm
micron
Center Hole Diameter
ft
in
m
cm
mm
Length of Material
To be Calculated
ft
in
m
cm
mm
yd
Decimals
0
1
2
3
4
5
F
