Calculate precise flange hole markings for equispaced holes, angles, and equivalent hole counts. Supports both millimeters and inches for various fabrication and engineering applications.






8+ similar apps compared and reviewed
Whether you want more options like Flange Hole Marker Calculator or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.












Calculate precise flange hole markings for equispaced holes, angles, and equivalent hole counts. Supports both millimeters and inches for various fabrication and engineering applications.


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