GSMPro

GSMPro is the fastest way to calculate fabric GSM, weight, length, or width — just enter any 3 values and get the 4th instantly. Designed for non-woven professionals, GSMPro supports multiple units (kg, g, m, ft, in) and handles all unit conversions for you. The app works 100% offline and remembers your recent calculations with built-in history storage. Browse standard roll specifications, set your preferred units, and optionally restore your last session every time you open the app. Whether you're on the factory floor or quoting a client, GSMPro keeps things simple, fast, and accurate.