Why This Tool Matters
Structured Measurement Workflow
Follow a clear sequence that keeps measurements organized and consistent.
Practical Workshop Reference
Built for real-world use at the bench when evaluating or fitting sight systems.
Faster Comparison of Front and Rear Sight Geometry
Quickly compare positions and see the expected adjustment direction.
Designed to Accompany the Full Guide
The calculator is a companion to the Book and follows the same method.
Access the Complete Sight Geometry Toolkit
The full Sight Geometry Calculator is available exclusively as part of a paid access option.
It is intended to be used together with the Sight Geometry Guide for best results.
Already purchased? Log in to use the calculator.
Questions You Might Have
Who is this for?
Gunsmiths, builders, and serious shooters who want a reliable, repeatable way to evaluate sight geometry.
Do I need the book?
The calculator is a companion to the Sight Geometry Book. The Book explains the method and the measurement sequence.
Is the calculator public?
No. Access is private and available only to purchasers to protect the method and ensure proper use.