VFOV to DFOV (4:3)

1 Vertical FOV = 1.666591 Diagonal FOV · profile-dependent conversion · context: game/FOV profile

Direct Answer

1 Vertical FOV equals 1.666591 Diagonal FOV

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

For 45 Vertical FOV, this profile returns 69.238978 Diagonal FOV.

Converter Calculator

1 Vertical FOV (degrees) =
1.666591 Diagonal FOV (degrees)

Explanation

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

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

Read more

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

Vertical FOV (degrees)Diagonal FOV (degrees)
45 69.238978
60 87.795772
75 103.953791
90 118.072487
100 126.553168
110 134.423059
120 141.786789
130 148.738397