Convert DD, DMS, UTM & MGRS offline. Vincenty distance, map measure, Live GPS, waypoints and GPX. Built for surveyors and field engineers. No account.
GEO Calc : Coordinates is a WGS84 field calculator for surveyors, engineers, and outdoor professionals. Convert coordinates, compute geodesic distance and bearing, measure on a map, and manage waypoints—on iPhone and iPad.
COORDINATE CONVERTER
Convert Decimal Degrees, DDM, DMS, UTM, MGRS, USNG, and Plus Codes. Auto-detect format. Copy results in one tap.
DISTANCE & BEARING
Vincenty geodesic distance and forward azimuth on the WGS84 ellipsoid—not flat-map shortcuts. Direct geodesic calculator (Pro).
MAP & MEASURE
OpenStreetMap tiles with path and polygon measure on the ellipsoid. Optional satellite layer (Pro). Go-to coordinate. Live GPS (Pro).
FIELD NAVIGATOR (PRO)
Walk to a coordinate with a live compass arrow and arrival alert.
WAYPOINTS & GPX
Save waypoints on your device. Export GPX 1.1. Import GPX waypoints (Pro). Free tier: up to 20 waypoints.
UNITS & LANGUAGES
Metric, imperial, or nautical. Twelve languages. Dark theme for outdoor readability.
IN-APP PURCHASES
Free to download with ads. GEO Calc Pro is a one-time, non-consumable in-app purchase—no subscription. Pro unlocks direct geodesic calculator, live GPS, field navigator, satellite map layer, GPX import, and unlimited waypoints. Restore purchases anytime from Settings or the Pro screen.
INTERNET & LOCATION
Map tiles load over the internet from OpenStreetMap. Live GPS and field navigation use device location when you allow it.
Not for certified legal surveying. Verify critical measurements with professional methods.
Amazing tool with basically no ads. Easy to use and no glitches or issues so far.
Permission prompts now appear in your language. Stability improvements.
Version 1.0.7
The developer, Lior Zukman, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Location
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Lior Zukman
Size
35 MB
Category
Navigation
Compatibility
Requires iOS 15.0 or later.
iPhone Requires iOS 15.0 or later.
iPad Requires iPadOS 15.0 or later.
iPod touch Requires iOS 15.0 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.