Abstract: A remote level sensor for a liquid tank. The remote level sensor for a liquid tank comprises a housing having a wireless transmitter, a sensor and a power source. The housing is configured to be mounted within the interior of a tank. The sensor detects the level of contents within the tank and transmits the level information via wireless signal to a receiving unit. The receiving unit comprises a display and is configured to present the level to a user. An auditory alarm can be configured to sound if the level of the tank falls below a predetermined threshold. Further, some embodiments of the receiving unit e configured to display additional information, such as local gas merchants and the current price of oil.