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 = …

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 …

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

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 …

On this page, you will find free online software to assist you in designing your custom gears, including strength calculations and drawings.

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

Understanding spur gears is essential for both engineering students and professionals. This guide has covered crucial terminology, key calculation formulas, and important design considerations.

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 …

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 …