Enter the outside radius of the die into the calculator to determine the ideal die opening size.

Die Opening Formula

The following equation is used to calculate the Die Opening.

D = OR * .07071 * 4

  • Where D is the die opening diameter (in)
  • OR is the outside radius of the die (in)

What is a Die Opening?

Definition:

A die opening is the size of the die used to cut or punch a pattern in sheet metal.