Coil Binding Calculator

Calculate coil binding requirements.

How thick the material or layer is.
in
Linear measurement in the specified unit.
in
Angle of incline, often as ratio or percentage.

Results

Coil Diameter:
Calculated coil diameter based on your inputs.
-in
Holes Needed:
Calculated holes needed based on your inputs.
-
Coil Length:
Calculated coil length based on your inputs.
-in
Reference: SWOP/GRACoL Standards. Spiral coil binding specs.