A map display device includes a position information acquiring unit for acquiring the present position of a vehicle; a map data storage unit for storing map data; a remaining energy acquiring unit for acquiring a residual quantity of energy for driving the vehicle and equipment mounted on the vehicle; a range calculating unit for computing a range the vehicle can travel with the remaining energy, using a moving energy consumption rate which is energy consumption per unit time required for moving the vehicle and a driving energy consumption rate Eci which is energy consumption per unit time required for driving the equipment mounted on the vehicle; and an output control unit for displaying the range on a map using the map data.