Die Opening Calculator

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

• Die Cushion Pressure Calculator
• Die Per Wafer Calculator
• Punching Force Calculator

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)

To calculate the die opening, multiply the outside radius of the die by .07071 times 4.

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.