Maps Ruler is a distance calculator on map. It is helping you to calculate distance between selected points. You can also use it as an area calculator, you can measure meter square or kilometer square of the selected areas on map. Also you can find shortest way and save energy or use it as a golf distance(yard) calculator. Good for; -Calculate area field measure -Boat trip calculation -Calculate distance after or before trekking, walking -Real Estate area measurement You can save and load cal