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Part of Charitools · Mechanical Engineering Ultimate Calculator

Free, browser-based engineering calculators. Pick a module to start.

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MoldCalc

Injection mold design calculations — ejection, cooling, gates, venting, undercuts, lifters, and more.

Available
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FECalc

FE Mechanical exam prep — statics, mechanics of materials, dynamics, fluids, thermodynamics, heat transfer, economics.

Available

GeneralCalc

General mechanical engineering — beams, fasteners, bearings, tolerances, material selection.

Coming Soon
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ThermoCalc

Thermodynamics and heat transfer — conduction, convection, radiation, heat exchangers.

Coming Soon
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FluidCalc

Fluid mechanics — pipe flow, pressure drop, pump sizing, Reynolds number.

Coming Soon

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Create a new engineering calculator suite with custom calculations.

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