GEO Calc is an offline WGS84 coordinate calculator for iOS and Android. Convert DD, DMS, UTM, and MGRS; compute Vincenty distance and bearing; measure on a map; export GPX. Android package: com.zuki.apps.geocalc.

Does GEO Calc need internet?

Core conversion, distance, and map measure work offline. Ads and analytics may use the network when available.

Calculations use standard WGS84 geodesy (Vincenty, ellipsoidal area). Verify critical measurements with certified survey equipment — GEO Calc is a field reference tool, not legal boundary authority.

Do I need an account?

No. Waypoints and preferences are stored on your device only.

Is there a subscription?

No. GEO Calc v1.0 is free with optional banner and interstitial ads. No in-app purchases at launch.

Does it use my GPS location?

Location is optional — used when you open map or GPS features. Converter and distance tools work from typed coordinates alone.

What coordinate formats are supported?

Decimal Degrees (DD), Degrees-Minutes-Seconds (DMS), UTM, and MGRS on WGS84.

Yes — save waypoints and export GPX 1.1 for QGIS, ArcGIS, Google Earth, and GPS devices.

Which languages are supported?

12 languages: English, Hebrew, Arabic, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Russian, and Chinese (Simplified).

How do I get support?

Email zuki.apps.dev@gmail.com or visit https://zukiapps.com/geo-calc/support. Privacy: https://zukiapps.com/geo-calc/privacy

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Under construction · Coming soon

WGS84 coordinate tools — offline.

GEO Calc — Coordinates

Convert DD, DMS, UTM and MGRS. Compute Vincenty geodesic distance and bearing, measure on a map, and export GPX — built for surveyors and field engineers. The app is still in development.

We're building GEO Calc

The app isn't on the stores yet. This page is a preview for store compliance — full marketing content will go live at launch.

Convert DD, DMS, UTM, and MGRS on WGS84
Vincenty geodesic distance, bearing, and direct
Offline map measure — path length and polygon area
Waypoints with GPX 1.1 export — no account required

WGS84 coordinate tools — offline.

We're building GEO Calc

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