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Game FOV & Focal Length Matcher

Match Horizontal and Vertical FOV angles across 16:9, 21:9 ultrawide, and 4:3 aspect ratios.

Sponsor Space

1. FOV Settings

2. Computed Angles

Vertical FOV
71.0°
Focal Length (35mm)
18.2 mm
Sponsor Space

How to Use the Game FOV & Focal Length Matcher

  1. 1
    Enter horizontal field of view (Degrees).
  2. 2
    Select display aspect ratio (16:9, 21:9 ultrawide, or 4:3 stretched).
  3. 3
    View corresponding Vertical FOV and equivalent 35mm camera focal length.

Practical Example & Use Case

Common Real-World Scenario

Finding the exact vertical FOV (71°) needed in Rainbow Six Siege to match 103° horizontal FOV in Overwatch.

Technical Notes & Limitations

Browser Engine Architecture

Trigonometric conversion assuming rectilinear camera projection.

Frequently Asked Questions

Why do games measure FOV differently?

Some games use Horizontal FOV while others use Vertical FOV to keep sightlines consistent across aspect ratios.