A free program for Android, by AppDoctors.

Measure and calculate length, width, and height in different units. 

The scale ruler app is a perfect tool for any kind of measurement, whether it is length, width, height, or distance. 

If you need to measure the length of an object, this is the best tool for you. It has a very simple interface and it is very easy to use. Just tap the screen to find the best and accurate measurement. You can choose to use this app in different units. It supports different languages, and it is free to use forever.

This app will be very helpful for you while you are doing construction projects. It will help you to have the correct measurement of the objects, and it will help you to calculate the area.