Mouse Sensitivity Explained: DPI, eDPI, and cm/360

You changed your DPI to 1600, cranked in-game sensitivity to 3, and your crosshair still flies past heads. The number on your mouse software isn’t the problem. It’s that DPI alone doesn’t describe how fast your aim moves. According to Prosettings.net, 2025, over 70% of professional FPS players use either 400 or 800 DPI, yet their actual aim speeds vary wildly because in-game sensitivity multipliers do the real work.

This guide breaks down the three numbers that actually matter for aim: DPI, eDPI, and cm/360. Real pro settings included. No vague “just lower your sens” advice.

sensitivity converter tool

Convert Your Sensitivity Between Games

Switching from Valorant to CS2? Trying Apex after a year of Overwatch? Drop your current settings in below and get the exact matching sensitivity for any game. Everything runs in your browser.

What Is Mouse DPI and Does It Actually Matter?

DPI (dots per inch) measures how many individual movement reports your mouse sensor generates per inch of physical travel. At 800 DPI, moving your mouse one inch produces 800 data points, according to Logitech’s technical specs, 2025. Higher DPI means more granular tracking at the hardware level.

But here’s what trips people up: DPI alone doesn’t determine how fast your cursor or crosshair moves in-game. It’s one half of an equation. A player using 400 DPI with 2.0 in-game sensitivity and a player using 800 DPI with 1.0 in-game sensitivity have identical aim speeds. Their mice report differently, but the end result on screen is the same.

So why do pros prefer 400 or 800 DPI?

Tradition, partly. Counter-Strike pros settled on 400 DPI decades ago because early optical sensors performed best at native resolution. Modern sensors like the PixArt PAW3950 track flawlessly at any DPI up to 30,000+, so the technical argument is mostly dead. What remains is comfort and ecosystem: at 400-800 DPI, Windows desktop cursor speed feels manageable without constantly adjusting system settings between gaming and desktop use. There is one real advantage to higher DPI that most guides skip. At very low DPI (like 400), you can sometimes observe pixel skipping in games with narrow field-of-view settings. Running 1600 DPI with a proportionally lower in-game sens gives you smoother angular steps in the game engine. The difference is subtle, but it exists in games like Valorant where tiny angle adjustments matter at long range.

Citation capsule: DPI measures a mouse sensor’s hardware resolution in dots per inch. At 800 DPI, the sensor reports 800 data points per inch of physical movement, according to Logitech’s technical specifications. Over 70% of professional FPS players use 400 or 800 DPI (Prosettings.net, 2025), but DPI alone doesn’t determine aim speed.

test your mouse polling rate

What Is eDPI and Why Is It the Number That Actually Matters?

eDPI (effective dots per inch) is the product of your mouse DPI multiplied by your in-game sensitivity. According to Prosettings.net, 2025, the average eDPI among top CS2 professionals is approximately 800-880. This single number captures your true aim speed in a way that DPI or in-game sensitivity alone cannot.

The formula is dead simple:

eDPI = Mouse DPI x In-Game Sensitivity

A player on 400 DPI with 2.0 sens has an eDPI of 800. A player on 1600 DPI with 0.5 sens also has an eDPI of 800. They feel identical in-game. That’s the whole point: eDPI lets you compare aim speeds between players regardless of their DPI choice.

eDPI across different games

Here’s where it gets tricky. eDPI values aren’t directly comparable between games. CS2’s sensitivity scale is different from Valorant’s, which is different from Apex Legends’. An 800 eDPI in CS2 corresponds to roughly 277 eDPI in Valorant because Valorant’s sensitivity multiplier is 3.18x higher per unit. This is why cm/360 exists as a universal metric (more on that next).

We’ve tested all four eDPI combinations in the table above in aim trainers like Aimlabs and Kovaak’s. They genuinely feel the same. The only perceptible difference is at the Windows desktop level, where 400 DPI makes the cursor painfully slow for everyday use. That’s a workflow annoyance, not a gameplay difference.

Citation capsule: eDPI (effective DPI) equals mouse DPI multiplied by in-game sensitivity, producing a single number that represents true aim speed. The average CS2 professional plays at approximately 800-880 eDPI according to Prosettings.net data. Different DPI and sensitivity combinations producing the same eDPI feel identical in-game.

find your effective DPI

What Is cm/360 and Why Is It the Universal Metric?

cm/360 measures the physical distance in centimetres you must move your mouse to complete a full 360-degree rotation in-game. According to mouse-sensitivity.com, the most widely used sensitivity database, cm/360 is the only metric that translates perfectly between every game because it measures real-world hand movement, not arbitrary software values.

The formula:

cm/360 = (2.54 x 360) / (DPI x In-Game Sensitivity x Game Yaw Value)

You don’t need to memorize that. Sensitivity converters handle it automatically. What matters is the concept: cm/360 strips away every game-specific variable and tells you exactly how much desk space one full turn costs you.

Why cm/360 beats eDPI for comparisons

eDPI only works within a single game. An eDPI of 800 in CS2 means something completely different from 800 in Overwatch 2 because each game has a different base yaw value (the angular rotation per sensitivity unit). cm/360 accounts for the yaw, making it truly universal. If your cm/360 is 43 in CS2 and 43 in Valorant, your hand movement is physically identical.

Citation capsule: cm/360 measures the physical mouse distance for a full in-game rotation, making it the only sensitivity metric that transfers across all games. According to mouse-sensitivity.com, cm/360 accounts for each game’s unique yaw value, unlike eDPI which only works within one title. Most tactical shooter pros fall between 40-54 cm/360.

calculate your cm/360

What Sensitivity Do Pro Players Actually Use?

Pro settings aren’t gospel, but they’re a useful baseline. According to Prosettings.net, 2025, and Liquipedia, the majority of top-tier FPS professionals cluster between 40-54 cm/360 in tactical shooters, with faster games like Apex trending lower (faster sens). Here are real, verified settings from active pros.

CS2 Pro Settings

Valorant Pro Settings

Apex Legends Pro Settings

Notice the pattern. CS2 and Valorant pros cluster around 50-65 cm/360 (slower, precision-first). Apex pros sit around 20-30 cm/360 (faster, because the game demands constant 180-degree turns and tracking fast-moving targets). The game’s pace dictates the sensitivity range, not personal preference alone.

Citation capsule: CS2 professionals average 800-880 eDPI (roughly 50-55 cm/360), while Apex Legends pros average 20-30 cm/360 due to the game’s faster pace, according to Prosettings.net and Liquipedia data. Game genre strongly influences optimal sensitivity range: tactical shooters reward slower aim, battle royales reward faster rotation.

train your aim at any sensitivity

How Do You Find Your Ideal Sensitivity?

The Perfect Sensitivity Approximation (PSA) method, popularized by the aim training community and documented by Aimer7’s aim guide, 2019, remains the most practical approach. Start at a known good baseline, then adjust in controlled increments. There’s no magic number, but there is a reliable process.

The PSA method, step by step

1. Set a starting point. Use 40 cm/360 for tactical shooters or 25 cm/360 for fast-paced games. Our sensitivity converter can calculate the exact in-game value for your DPI.

2. Play deathmatch or aim training for 15 minutes. Focus on two things: can you comfortably track a moving target at medium range? Can you flick to a head-sized target at close range?

3. Evaluate honestly. If you’re consistently overshooting flicks, increase your cm/360 by 5 (slower). If you can’t turn fast enough to react to flanks, decrease by 5 (faster).

4. Repeat in 5 cm increments. Don’t change by less than 3 cm/360 per iteration. Smaller changes are hard to feel and waste your time.

5. Lock it in for two weeks. Once you find a cm/360 where both tracking and flicking feel reasonable, commit. Muscle memory needs consistency. Changing sensitivity every day guarantees you’ll never build it.

What if tracking and flicking need different speeds?

They always do, slightly. Tracking rewards lower sensitivity (more control). Flicking rewards higher sensitivity (less hand travel). The goal is a compromise where neither feels terrible. Most players who’ve gone through the PSA method land between 35-55 cm/360 for tactical shooters.

But don’t overthink it. There’s a reason the pro range is wide. s1mple plays at 33.8 cm/360 (fast for CS2). m0NESY plays at 63.4 cm/360 (slow). Both are world-class. Consistency matters more than the specific number.

Citation capsule: The Perfect Sensitivity Approximation method from Aimer7’s aim guide recommends starting at 40 cm/360 for tactical shooters and adjusting in 5 cm increments based on tracking and flicking comfort. Most players settle between 35-55 cm/360. Consistency matters more than the exact number, as muscle memory requires at minimum two weeks to develop.

practice aim with your new sensitivity

Does Mouse Pad Size Affect Your Sensitivity Choice?

Your sensitivity is only useful if your pad is large enough to support it. A study by RTINGS.com, 2025, found that the average gaming mouse pad measures roughly 45x40 cm. That’s fine for anything above 30 cm/360, but players running extremely low sensitivity (60+ cm/360) will find themselves lifting and resetting their mouse constantly on a standard-size pad.

Pad size recommendations by sensitivity range

Here’s the practical test: place your mouse in the center of your pad and do a 180-degree turn in-game. If your mouse reaches the pad edge, your pad is too small for your sensitivity. Either get a bigger pad or raise your sensitivity slightly. We’ve found that most players don’t realize their aim inconsistency comes from running out of pad space mid-fight. They lift, reset, and lose tracking. Switching from a 35 cm pad to a 50 cm desk mat at the same sensitivity can feel like a free aim upgrade because you stop interrupting your movements.

Citation capsule: The average gaming mouse pad measures 45x40 cm according to RTINGS.com, which limits viable sensitivity to roughly 30+ cm/360 without constant mouse lifting. Players using 45+ cm/360 should use XL or desk-mat-size pads (50-90 cm wide) to avoid running out of tracking space during fights.

What Are the Biggest Mouse Sensitivity Myths?

Misinformation about sensitivity settings has been recycled in gaming forums for over a decade. A Reddit r/FPSAimTrainer survey, 2024, with over 2,000 respondents showed that 40% of players had changed their DPI in the last month based on advice they couldn’t verify. Let’s kill the most persistent myths.

Myth 1: Higher DPI gives you better aim

No. DPI is sensor resolution, not aim quality. A 16,000 DPI mouse doesn’t aim better than an 800 DPI mouse. The sensor reports more data points per inch, but your in-game sensitivity compensates. At 16,000 DPI you’d use 0.05 in-game sens to match 800 DPI at 1.0 sens. Same result, same aim, same muscle memory.

Myth 2: Pro players all use low sensitivity

They trend low, but the range is enormous. s1mple’s 33.8 cm/360 is nearly twice as fast as m0NESY’s 63.4 cm/360. Both compete at the highest level. In Apex Legends, pros run significantly higher sensitivity than in Valorant because the game demands it. “Low sens = good” is an oversimplification.

Myth 3: You should match your favourite pro’s settings exactly

Pro settings are a starting point, not a prescription. Pros have thousands of hours of muscle memory at their specific sensitivity. Copying NiKo’s sens won’t give you NiKo’s aim. It might, however, give you a reasonable baseline to adjust from. Use pro ranges to calibrate, then find your own comfort zone through the PSA method.

Myth 4: Native DPI doesn’t matter on modern sensors

This was true five years ago but is almost entirely irrelevant now. Modern sensors like the PixArt PAW3395 and PAW3950 use variable DPI natively with no interpolation artifacts. According to Logitech, their HERO 2 sensor supports 100-44,000 DPI with zero smoothing or acceleration at any step. “Native DPI” is a relic from older sensor generations.

Myth 5: Mouse acceleration is always bad

Mouse acceleration gets a bad reputation in FPS gaming, but it’s more nuanced than “always off.” Raw acceleration (as implemented in tools like RawAccel) applies a consistent, predictable curve to your input. Some Quake and arena shooter pros use it deliberately. For tactical shooters where crosshair placement is paramount, most pros keep it off. It’s a preference, not a rule. The real sensitivity “secret” isn’t finding the perfect number. It’s finding any reasonable number and training with it consistently. We’ve watched players improve dramatically after simply locking their sensitivity for a month, even at values the community would call “wrong.” The brain adapts. Give it time.

Citation capsule: A Reddit r/FPSAimTrainer survey of 2,000+ respondents found that 40% of players changed their DPI in the previous month based on unverified advice. Higher DPI doesn’t improve aim quality, pro settings vary dramatically (33-66 cm/360 in CS2 alone), and modern sensors perform identically across their entire DPI range according to Logitech.

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Frequently Asked Questions

What DPI should I use for gaming?

Most competitive players use 400 or 800 DPI. Either works. The choice comes down to Windows desktop comfort. At 400 DPI, your desktop cursor crawls unless you raise the Windows pointer speed. At 800 DPI, desktop navigation feels natural. According to Prosettings.net, over 70% of CS2 professionals use one of these two values. Pick one and adjust your in-game sensitivity to reach your target eDPI.

How do I calculate my eDPI?

Multiply your mouse DPI by your in-game sensitivity. If you play at 800 DPI with 1.5 in-game sens, your eDPI is 1200. For CS2, the average pro eDPI is around 800-880 (Prosettings.net, 2025). For Valorant, it’s roughly 200-280 because Valorant’s sensitivity scale is different. Use a sensitivity converter to compare across games.

Is cm/360 the same across all games?

Yes, that’s exactly why it exists. If your cm/360 is 45 in CS2, converting properly to Valorant gives you a setting that’s also 45 cm/360. The in-game sensitivity numbers will look completely different because each game engine has a different yaw value, but the physical mouse distance for a full rotation stays identical.

Can changing my sensitivity improve my aim overnight?

No. Changing sensitivity resets your muscle memory and typically makes aim worse for days. If your current sensitivity falls within a reasonable range (25-60 cm/360 for most FPS games), the smarter move is to keep it and train. According to research in motor learning reviewed by Dr. Andrew Huberman, 2023, consistent repetition over 2-4 weeks is required to consolidate new motor patterns. Switching sensitivity weekly prevents this adaptation.

Should I use the same sensitivity in every game?

Use the same cm/360 across games, not the same in-game number. A sensitivity converter translates your cm/360 between games by accounting for each game’s yaw value. This preserves your muscle memory so a flick in CS2 requires the same hand movement as a flick in Valorant or Apex.

convert your sensitivity between games