GSM Calculator is a free Android app developed by Appicacious that helps you calculate the density or thickness of fabric or paper. With this app, you can easily calculate any of the four factors - GSM, weight, length, and width - given the other three. The app offers several units of measurement (UOM) for each factor, making the calculation process simple and accurate.

One of the most useful features of GSM Calculator is the ability to create and attach customers and items to calculations. This feature allows you to keep track of your calculations and share them with others. Additionally, the app stores your calculation history, so you can refer to it later. You can even join the app's community to discuss features, bugs, and requirements.

In short, GSM Calculator is an essential tool for anyone who needs to measure the density or thickness of fabric or paper. It's easy to use, accurate, and offers a range of useful features.