UniPunch
Expand Menu
1-800-828-7061
Request a Quote Join Our Mailing List Request a Quote Join Our Mailing List

Tonnage Calculator

Tonnage Calculator





How to Obtain Tonnage Required for Punching Round Holes

Formula: TONNAGE IN MILD STEEL  = 3.1416 X DIAMETER OF HOLE X MATERIAL THICKNESS X 25

Example: 3.1416 X 2.000 X .250 X 25 = 39.26 TONS

Tonnage Required for Round Holes

How to Obtain Tonnage Required for Punching Shaped Holes

Formula: TONNAGE IN MILD STEEL  = PERIMETER X MATERIAL THICKNESS X 25

Example: (2 + 2 + 2 + 2)  X .250 X 25 = 50 TONS

Tonnage Required for Shaped Holes