A shopping cart scanning device, including a main body, a scanner disposed on at least a portion of the main body to scan a machine-readable code of at least one item, a scale movably disposed within at least a portion of the main body to receive the at least one item thereon, such that a weight of the at least one item is determined, a display unit disposed on at least a portion of the main body to display at least one of a price of the at least one item in response to the scanner scanning the at least one item and the weight of the at least one item in response to the scale receiving the at least one item thereon, and a cart clip disposed on at least a portion of the main body to removably connect the main body to a shopping cart.