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Yes you can use your phone as a compass using websites like onlinecompassnet that is designed for navigation Moreover most modern smartphones come with a builtin compass that utilizes the magnetometer sensor and GPS to determine direction and orientation   Here are some key things to know about using your phone as a compass   Most phones have a default compass app or capability within Google Maps or Apple Maps You can access these to view cardinal direction   For basic usage simply open the compass app and allow the phone to calibratesettle on a direction Hold the phone flat or upright to track orientation The compass readout will update as you change direction   Accuracy can vary between 510 degrees based on nearby interfering signals like speakers or external factors Calibrating the compass and moving away from potential magnetic interference can improve accuracy   Certain compass apps utilize GPS positioning overlays to improve directional precision However this requires cellular or WiFi signal Basic compass direction works offline   Consider keeping phone in airplane mode while navigating to prevent signals and radio interference from impacting compass readings   Be aware of potential inaccuracies from magnetic fields or getting off course Use phone compass to supplement map landmark navigation rather than solely relying on it   So in most situations you can effectively use your smartphone compass capabilities for basic orientation and supplemental navigation Just be sure to benchmark it against other tools like map readings whenever possible