Tonnage Calculator

Round Hole:
Hole diameter: in. Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
Material thickness: in. Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
 
Punch Tonnage Required:

 

Square Hole:
Length of first side: in. Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
Length of second side: in. Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
Material thickness: in. Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
 
Punch Tonnage Required:

 

Diagonal Calculation:
Length of first side: Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
Length of second side: Example: 1.375 or 0.65
(note: for values less than one, enter 0 before decimal)
 
Length of diagonal:

 

Material   Multiplier
Aluminum - Soft x .30
Aluminum - Hard x .50
Steel - Mild x 1.00
Steel - A36 x 1.20
Steel - Stainless x 1.50