HFOV to DFOV (4:3)

1 Horizontal FOV = 1.249982 Diagonal FOV · profile-dependent conversion · context: game/FOV profile

Direct Answer

1 Horizontal FOV equals 1.249982 Diagonal FOV

This result depends on the selected profile context: game/FOV profile.

For 45 Horizontal FOV, this profile returns 54.747256 Diagonal FOV.

Converter Calculator

1 Horizontal FOV (degrees) =
1.249982 Diagonal FOV (degrees)

Explanation

Formula context fixed at 4:3. HFOV converts to DFOV using trig relations on the half-angle tangent model.

For Horizontal FOV to Diagonal FOV, the active game/FOV profile determines the conversion constants applied to every value.

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Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.

Method & Reference (Verified)

  • Method basis: profile-bound mapping; constants depend on the selected profile encoded in the route.
  • Profile reference: game/FOV profile.
  • Consistency rule: keep the same profile in mirror direction to avoid mixing incompatible mappings.

Common Conversion Values

Horizontal FOV (degrees)Diagonal FOV (degrees)
45 54.747256
60 71.635051
75 87.611533
90 102.680383
100 112.254679
110 121.487865
120 130.417438
130 139.084329