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

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