This app can measure centimeters (millimeters) and inches. You can measure the actual length. It is optimized for most devices. Some devices can not be measured accurately. Please acknowledge this point. The unit of measure used in the app was the unit of measurement provided by Android. Some devices do not use Android standard resolution and density. That is, some devices have incorrect measurement results. (Most devices have accurate measurements.) In this case, the user can compensate through adjustments. You can measure the size and area of a rectangle. You can freely convert various length units. You can convert units such as centimeters, nanometers, inches, millimeters, kilometers, miles, feet, and yards.