Die Clearance Calculator
Calculate Clearance:
Complete and change fields to get calculation.
![](https://unipunch.com/wp-content/uploads/2018/03/PunchAndDieClearance.jpg)
How to Estimate Die Clearance Required for Punching Aluminum
Formula: MATERIAL THICKNESS X .15
Example: .250 x .15 = .0375
How to Estimate Die Clearance Required for Punching Mild Steel
Formula: MATERIAL THICKNESS X .2
Example: .250 x .2 = .050
How to Estimate Die Clearance Required for Punching Stainless Steel
Formula: MATERIAL THICKNESS X .25
Example: .060 x .25 = .015