FOV Calculator

About This Tool

Our FOV Calculator helps photographers, videographers, and optics enthusiasts to precisely calculate the angles of view their equipment can capture. By inputting sensor dimensions, focal length, and optional distance, users can instantly see horizontal, vertical, and diagonal field of view angles, measured in degrees.
This tool applies standard optical formulas: FOV = 2 * arctangent(sensor dimension / (2 * focal length)). The interface is designed for simplicity and clarity, ensuring users can perform calculations without confusion.
Ideal for planning shoots, selecting appropriate lenses, or understanding framing. Whether you're adjusting camera settings or evaluating gear options, this calculator provides accurate results to support your creative process.
Features include unit toggles between metric and imperial, calculation history, and copy/share functions for easy integration into your workflow. Accessibility standards are prioritized—high contrast, keyboard navigation, and screen reader support make it usable for all users. Expandable with future multi-language support. Enhance your photography planning today with this essential, free online tool.

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