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{{see also|Terms|Technical Terms}}
An '''inertial measurement unit''' ('''IMU''') is an electronic [[sensor]] that measures and reports its specific force, angular rate, and sometimes the orientation of the body, using a combination of [[accelerometer]]s, [[gyroscope]]s, and often [[magnetometer]]s.<ref name="TDK_IMU_Overview">
An '''Inertial Measurement Unit''' ('''IMU''') is an electronic [[sensor]] [[device]] that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of [[accelerometer]]s, [[gyroscope]]s, and often [[magnetometer]]s.<ref name="TDK_IMU_Overview">
TDK InvenSense. “What is an Inertial Measurement Unit (IMU)?”  
TDK InvenSense. “What is an Inertial Measurement Unit (IMU)?”  
[https://invensense.tdk.com/products/motion-tracking/6-axis/ TDK InvenSense Website]. Accessed May 3, 2025.</ref> IMUs are fundamental components in [[virtual reality|Virtual Reality (VR)]] and [[augmented reality|Augmented Reality (AR)]] systems for tracking the orientation of [[Head-Mounted Display|HMDs]] and [[Input Devices]] like controllers.
[https://invensense.tdk.com/products/motion-tracking/6-axis/ TDK InvenSense Website]. Accessed May 3, 2025.</ref> IMUs are fundamental components in [[virtual reality|Virtual Reality (VR)]] and [[augmented reality|Augmented Reality (AR)]] systems for tracking the orientation of [[Head-Mounted Display|HMDs]] and [[Input Devices]] like controllers.