Mechanical Engineering Calculators

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62+ calculators for pneumatics, GD&T, sheet metal, CNC, and heat transfer. Open any tool, get your answer, and move on.

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⭐ Featured Calculators
Our most searched tools

Most-used tools for beam design, gears, bolts, hydraulics and everyday engineering math.

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Pneumatic Cylinder Force
Extend & retract forces, SI/Imperial toggle
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Gear Ratio Calculator
Spur, helical & planetary gear systems
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Beam Stress & Deflection
Simply supported, cantilever & fixed beam
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Bolt Torque Calculator
Tightening torque, metric & UNC/UNF
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GD&T Calculator
True position, flatness, circularity
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Metal Weight & Price Selector
12 metal shapes, 13 materials, live weight & cost
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👥 Who Uses TaskJunction
Students, designers, toolmakers & maintenance staff

All reach for the same quick checks during the day.

Students

Verify beam deflection, gear ratios, and Reynolds number homework before you submit the sheet.

Design Engineers

Screen belt drives, bolt torque, and tolerance stacks during layout reviews and BOM checks.

Manufacturing & Tooling

Quote punch tonnage, weld heat input, and machining time without leaving the browser tab.

Maintenance & Reliability

Check cylinder force, wire rope capacity, and bearing life against nameplate data on the floor.

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TaskJunction is maintained by Vaibhav Dhokpande, a design engineer who builds tools from real shop and office problems. Browse 62+ free calculators now, or suggest one for the roadmap.