Engineering calculator library

Precision calculators for engineers in the field.

Choose your discipline, open a purpose-built calculator, and grow the library as new engineering workflows move from notebook math to reliable digital tools.

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Live calculators 1

Engineer types 4

Export ready XLS

Select a discipline

Start from the kind of engineering work you do.

Electrical Engineers

Available now

Cable routing, field installation geometry, conduit planning, and power distribution helpers.

Cable Reach Calculator Reach, sag, angle, socket height, tension, reserve length, and saved records. Open

Conduit Fill Calculator Raceway sizing and conductor fill checks. Developing

Voltage Drop Calculator Long-run conductor planning and quick loss checks. Developing

Mechanical Engineers

Coming soon

Fasteners, rotating equipment, thermal loads, pressure vessels, and machine design checks.

Bolt Torque Calculator Fastener preload and installation torque values. Developing

Shaft Deflection Calculator Basic shaft loading and deflection evaluation. Developing

Civil Engineers

Coming soon

Site, structural, material, slope, and quantity calculators for fast early-stage decisions.

Beam Sizing Calculator Span and load helper for quick structural checks. Developing

Concrete Volume Calculator Footings, slabs, walls, and pours. Developing

Fluid Engineers

Coming soon

Flow, pipe sizing, pressure loss, pump selection, and practical hydraulics calculations.

Pipe Pressure Drop Calculator Friction loss and flow planning. Developing

Pump Head Calculator Total dynamic head and pump planning estimates. Developing