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PSA Method Calculator for FPS Games
Find your best FPS mouse sensitivity with guided lower/higher PSA Method rounds for Valorant, CS2, Apex, Overwatch, and Rainbow Six Siege.
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PSA Method Calculator
Run lower/higher sensitivity comparisons for Valorant, CS2, Apex, Overwatch 2, Rainbow Six Siege, or a custom FPS. Finish with sensitivity, eDPI, and cm/360 where supported.
Setup
Many Valorant players land around 200-400 eDPI, but treat that as a reference range, not a best value.
Ready when you are
Compare lower vs higher sensitivity.
Start with your current in-game sensitivity. Each round asks which side feels easier to control, then narrows the range until you have a practical baseline.
Mission briefing
What is this?
The PSA Method Calculator for FPS Games helps you find a practical mouse sensitivity by testing lower and higher values over a short series of guided rounds. PSA means Perfect Sensitivity Approximation in this FPS context, not a medical calculator. Start with your current DPI and in-game sensitivity, compare which side feels easier to control, then finish with a final sensitivity, eDPI, and cm/360 where the game profile supports it.
How to use
- 1Choose your game preset, enter your mouse DPI, and enter your current in-game sensitivity.
- 2Run 5, 7, or 10 PSA Method rounds by choosing Lower feels better, Higher feels better, or Current feels best.
- 3Copy the final sensitivity, eDPI, and cm/360 result, then test it in your usual aim routine before locking it in.
Key features
Why players open it
- ✦Guided PSA Method lower/higher testing for Valorant, CS2, Apex Legends, Overwatch 2, Rainbow Six Siege, and Custom FPS.
- ✦Calculates final sensitivity, DPI, eDPI, and cm/360 for supported FPS game profiles.
- ✦Supports 5, 7, and 10 round tests so players can choose a faster or more careful approximation.
- ✦Stores the latest test locally in the browser so a refresh can recover the current PSA session.
- ✦Includes copyable result text, round history, restart with final sensitivity, share links, and links to the FPS converter, R6 tool, and cm/360 guides.
Alternatives
Other routes
FAQ
Quick answers
What does PSA mean in FPS games?
In FPS sensitivity tuning, PSA means Perfect Sensitivity Approximation: a lower/higher comparison method that narrows your sensitivity toward a comfortable baseline.
Is this a medical PSA calculator?
No. This page is only for FPS mouse sensitivity tuning in games and has nothing to do with medical PSA tests.
How many rounds should I test?
Seven rounds is the default because it is usually enough to narrow the range without taking too long. Use five for a quick pass or ten if you want a slower, more careful approximation.
Does this work for Valorant and CS2?
Yes. The calculator includes presets for Valorant and CS2, and it can show sensitivity, eDPI, and cm/360 for both games.
Should I choose high or low sensitivity?
Pick the value that feels easier to control in your normal aim routine, not simply the one that feels faster. The PSA Method is meant to approximate your personal baseline.
Can I convert the result to another game?
Yes. Use the FPS Sensitivity Converter on GlobalPlay to move a comfortable baseline between Valorant, CS2, Apex, Overwatch, Rainbow Six Siege, and Custom FPS profiles.
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