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 …

Use our Spur Gear Design Calculator to determine gear dimensions, contact ratio, and load capacity for efficient power transmission.

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

Gears in SVG are measured in pixels, which is the value multiplied with the scale (Pixel per Unit) as it is displayed on the right side. Gear Generator is a tool for creating involute spur gears and download …

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 …

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 …

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)