Updated Jan 21, 2026 · v1.2
Calculate scale factor and UTM data accurately using GPS and the EGM2008 geoid.
UTM Scale Factor is your precise and easy-to-use tool for working in the field or directly from the map. Mark points directly on Google Maps using your device’s GPS and obtain all the technical information you need for your topographic and geodetic calculations 📱🗺️ With just one tap you can obtain: • 📍 UTM coordinates: Easting, Northing, and Zone • 📏 Scale factor • 🏔️ Height factor • 📐 Combined factor • 🔍 PPM (scale, height, and combined) • 🎯 Accuracy • ⛰️ Ellipsoidal height • 🏞️ Orthometric height thanks to the EGM2008 geoid model (5') Perfect for surveyors, engineers, students, and anyone who needs exact and reliable calculations in the field. All in a clear, fast interface designed for real-world field use. 📡 Accurate. ⚡ Fast. 🧭 Easy to use. Take your measurements with UTM Scale Factor! UTM Geo Map Marker Factor Scale!!!!!
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