We built these universal tools to solve the most common gear problems we face: design, geometry and sizing, processing, and inspection of internal and external spur gears.

Spur Gear design formula for geometry, pitch, tooth clearance and critical functional data. (Inch Units Applicable for Constants) Spur Gear Design Calculator Where: φ = Pressure Angle a = Addendum a …

Gear Generator is a tool for creating involute spur gears and download them in SVG format. In addition it let you compose full gear layouts with connetcted gears to design multiple gears system with control …

Professional Gear Design Calculator to analyze gear ratios, tooth dimensions, strength parameters, and transmission performance. Calculate module, pitch, tooth thickness, contact ratios, and bending …

Calculate spur gear dimensions instantly using our free online calculator. Input module and teeth to get pitch diameter, addendum, dedendum, and more. Perfect for milling machine setups.

A gear calculator for calculating the dimensions for your external spur gears. Input diametral pitch (or module), number of teeth, and pressure angle to calculate the pitch diameter, base diameter, root …

As with the gear calculator, this gear drawing software also handles making drawing of various types of gears such as spur gears, worm gears, gear racks, bevel gears, internal gears, screw gears, etc. …

Calculator for the design of spur gears and pinions, including; tooth profile, strength and performance (technical-help)

Calculate and generate spur gears with our tool, download files in DXF, SVG, or CSV Excel format, and design custom gears with ease, precision, and accuracy, for various engineering and manufacturing …

Dec 19, 2025 · Documented bite-sized calculators for spur and helical gears. They give you the required dimensions and tolerances for drawings and machining. Also included are 2D and 3D models to …