Joystick Deadzone Test — measure your stick’s dead zone
A joystick deadzone test measures the range of analog stick movement that produces no input — the small radius around center where your stick is effectively ignored. Our browser-based test plots your stick travel in real time and extracts the deadzone radius using the Gamepad API. Works with any standard USB or Bluetooth controller.
How the deadzone test works
Connect your controller
Plug in your controller via USB or pair it via Bluetooth. Press any button to wake the controller — browsers require this before exposing gamepad input for privacy reasons.
Start the 8-second test
Click Start. The test begins plotting your stick positions in real time and capturing every sampled magnitude.
Roll both sticks slowly in small circles
Do not push to the edges. The deadzone is hidden in the small radius around center, so gentle motions reveal it. The trail visualization shows your stick path as a fading swirl.
Read the deadzone radius
When the test completes, the fuchsia ring shows your effective deadzone radius on each plotter. The numeric result is the smallest consistent input magnitude your stick produces.
What the numbers mean
The deadzone radius reports as a value from 0.000 (no deadzone) to 1.000 (full travel ignored). Compare your result to the ranges below.
| Deadzone Value | Verdict | What It Means |
|---|---|---|
| < 0.05 | Tight | Maximum responsiveness. Common in pro-grade controllers and raw input modes. |
| 0.05 – 0.10 | Normal | Healthy range. Factory default on most modern PS5, Xbox, and Switch controllers. |
| 0.10 – 0.20 | Wide | Detectable lag at small stick movements. Affects precision aiming and slow camera control. |
| > 0.20 | Excessive | Worn stick or misconfigured driver. Recalibrate the controller, or replace the analog stick module. |
Compatible devices
The deadzone test works with any controller your operating system recognizes as a standard gamepad. Verified models:
Deadzone repair guides
Key definitions
Plain-language definitions for the terms used on this page. Each links to the full glossary entry with thresholds, mechanism, and FAQs.
Related diagnostics
Deadzone questions
A joystick deadzone is the radius around the center of an analog stick where input is intentionally ignored. It exists to prevent sensor noise and minor stick imperfections from triggering unwanted movement. Most controllers ship with a deadzone between 0.05 and 0.10 on a normalized scale of 0 to 1.
Without a deadzone, every tiny vibration or sensor fluctuation would be reported as input. Characters would drift, cameras would creep, and aim would never sit still. The deadzone is the price of clean centering. The tradeoff is responsiveness — a wider deadzone means more stick movement is ignored before any input registers.
We sample your stick’s X and Y axes via the Gamepad API at your display’s refresh rate while you roll the sticks in small circles. We collect all observed magnitudes, filter out sensor noise below 0.003, and report the 5th-percentile value as the effective deadzone — the smallest consistent magnitude your stick produces under intentional movement.
Under 0.05 is a tight deadzone, found on pro-grade controllers and raw-input setups. Between 0.05 and 0.10 is the normal factory range on modern PS5, Xbox, and Switch controllers. Between 0.10 and 0.20 indicates a wider deadzone — detectable but tolerable. Above 0.20 indicates a worn stick or driver misconfiguration that warrants repair.
Yes, in software. On Windows, the operating system and individual games each apply their own deadzone on top of the hardware. Tools like Steam Input, DS4Windows, and game-specific settings let you set a custom deadzone — typically a value between 0.00 and your hardware floor. Setting it below your hardware floor will introduce stick drift, so test first.
Games apply their own deadzone scaling on top of the operating system’s value. A game with an aggressive deadzone (Call of Duty defaults to around 0.10) will feel less responsive than one with a tight deadzone (most fighting games use under 0.05). The hardware deadzone our test measures is the floor — games can only widen it, not narrow it below the hardware reading.
No. A deadzone too small for your hardware causes phantom input — the stick registers movement when you are not touching it. Competitive players want the smallest deadzone that still feels stable. The right value depends on your specific controller’s sensor noise floor, which is exactly what this test measures.
Deadzone masks drift. A wider deadzone hides minor drift by ignoring small-magnitude input — including the drift itself. This is why wider hardware deadzones often appear on older or worn controllers: drivers compensate for sensor wear by widening the deadzone. Run our Stick Drift Test alongside this one to confirm whether your stick is healthy or being masked.
How we measure deadzones
Built on the Gamepad API. Samples axis magnitudes at full refresh rate during an 8-second active period, filters noise below 0.003, and reports the 5th-percentile magnitude as the effective deadzone. Methodology published by GPADLAB Engineering.
Run the full Controller Health Score
This test is one of six diagnostics in the composite score. See how your controller stacks up overall.
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