In the game you find the setting under Settings → General → Mouse → Sensitivity: Aim.
Conversion
Overwatch 2 to Valorant Sensitivity
In short: Overwatch 2 sens times 0.0943. 5 becomes 0.471. For your own value, just edit the sentence below.
How to set it in Valorant
What changes when you go from Overwatch 2 to Valorant
Valorant turns 10.61 times further per mouse count than Overwatch 2. That is why the number gets smaller while your mouse distance stays the same.
The default field of view is almost the same: Overwatch 2 103°, Valorant 103° horizontal. The picture feels alike.
In Valorant you can enter up to 3 decimal places. Use all of them to keep the conversion exact.
Common questions
How do I convert Overwatch 2 sens to Valorant?
Multiply your Overwatch 2 sens by 0.0943. 5 in Overwatch 2 becomes 0.471 in Valorant.
Where do I set the sens in Valorant?
Settings → General → Mouse → Sensitivity: Aim.
Why does Valorant still feel a bit different?
Overwatch 2: Slider from 80° to 103°. Valorant: 103° horizontal. Match the field of view as closely as you can; then the converted sens feels most natural.
Does this also apply to scopes?
No. The values are for hipfire. Zoom and scope sensitivities are set separately in the game.
Should I change my DPI?
No. Keep your DPI and only change the sens in the game. That keeps your feel the same everywhere.