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FOV Calculator and Stretched Resolution

Horizontal and vertical FOV across games and aspect ratios, plus what 4:3 stretched changes.

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FOV converter

Counter-Strike 2 has a fixed FOV; the value cannot be changed in game.

Horizontal FOV
106.26°
Vertical FOV
73.74°

Same view in other games

GameSlider value needed
Counter-Strike 290°fixed
Valorant103°fixedoutside the game's range
Overwatch 2106.3°outside the game's range
Apex Legends90°
Call of Duty106.3°
Fortnite80°fixedoutside the game's range

Stretched resolution

Horizontal stretch
1.333×
Object width (33% wider)
133%
hFOV stretched
90°
hFOV at native
106.26°

With black bars instead, the image is 1,440 px wide and nothing is distorted.

Stretching does not change the field of view: the game renders the 4:3 view and the monitor pulls it wider, so models look bigger but you see less to the sides.

How to use the FOV calculator

  1. 1 Pick a game, or choose a custom horizontal FOV and the aspect ratio it was measured on. Games with a fixed FOV fill the value for you.
  2. 2 Choose your screen's aspect ratio. The horizontal FOV you actually get on that screen appears next to the vertical FOV, which stays the same on every screen.
  3. 3 Read the table of equivalents: it tells you which slider value gives the same view in each of the other games, and flags values the slider cannot reach.
  4. 4 For stretched res, set your monitor and the 4:3 resolution you play at. You get the stretch factor, how much wider models look, and the FOV the game really renders.

Frequently asked questions

What is the difference between Hor+ and Vert-?
Hor+ keeps the vertical FOV fixed and widens the view on wider screens, so 16:9 sees more than 4:3. Vert- keeps the horizontal FOV fixed and crops the top and bottom instead. Every game in this calculator is Hor+, which is why a 4:3 FOV of 90 becomes 106.26 on 16:9.
Why is the FOV in CS2 fixed?
Valve keeps the world FOV at 90 on a 4:3 basis for every player so that nobody gains peripheral vision over others; only the viewmodel FOV is adjustable. On a 16:9 screen that works out to 106.26 degrees horizontally, and the only way to change the real FOV is the aspect ratio you play at.
Does stretched resolution change my FOV?
No. Stretching happens after the game has rendered its 4:3 frame, so the field of view is exactly what 4:3 gives: 90 horizontal in CS2 instead of 106.26. The monitor then scales that frame to full width, which makes everything about a third wider without showing anything extra.
4:3 with black bars or 4:3 stretched: what is the difference?
Both render the same 4:3 frame with the same reduced FOV. With black bars the frame is centred at its true proportions and the sides stay dark; stretched fills the panel, so models look wider and the mouse feels faster horizontally. It is purely a preference about how targets look.
Which aspect ratio does my game's FOV slider refer to?
It varies, and that is the usual source of confusion. CS2 and Apex Legends state their FOV on a 4:3 basis; Valorant, Overwatch 2, Call of Duty and Fortnite state it at 16:9. The same number therefore means a wider view in Apex than in Call of Duty, and the calculator converts between these conventions.

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