Free tools for engineering work

Engineering calculators for machining and manufacturing

Calculate cutting data, material mass, production time, tolerances, and more. Each tool explains its method and limits.

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Machining

Sheet metal

Sheet metal

Press Brake Tonnage Calculator

Use this press brake tonnage calculator to estimate the force required to air bend sheet metal. Enter material thickness, bend length, V-die opening, tensile strength, and safety margin…

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Materials

Mechanical design

Lean and production

Other engineering tools

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