Engineering calculators by function

Power Transmission Calculators

Plan gear reductions, motor operating points, chain drives, and laser-cut sprockets. Each tool runs in the browser, shows its assumptions, and works without a sign-in or download.

Motor & Gear Ratio Calculator

Calculate motor power and ideal ratio from linear or angular acceleration, or model output RPM and torque directly. Optional FRC mode adds motor presets and a linked COTS gear catalog.

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Chain Sprocket Generator

Create a laser-cuttable plate sprocket STEP for common ANSI roller chains, calculate its dimensions and chain speed, then order it from Fabworks.

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Order Sheet Metal Parts

Upload a 2D DXF or 3D STEP file for an instant laser cutting quote. Quote in seconds, order in minutes, receive parts in days.

or drag and drop

STEP / DXF up to 24MB

Your files are safe, secure, and retain all intellectual rights.