GeoTools › Coordinate Converter

📍 Coordinate Converter

Convert between Decimal Degrees, DMS, DM, UTM, MGRS, and Plus Codes. Click the map to auto-fill. All calculations run in your browser.

Input Coordinates

Latitude (DD)

Longitude (DD)

Latitude (DMS)

Longitude (DMS)

Zone

Easting (m)

Northing (m)

Southern Hemisphere

Plus Code (Open Location Code)

Plus Code decoding requires the Open Location Code library. Enter a Plus Code to decode it to DD.

Interactive Map — click to set coordinates

Click anywhere on the map to auto-fill coordinates and run conversion.

How to Use

Decimal Degrees (DD): Enter latitude and longitude as decimal numbers. E.g. -33.868820, 151.209296 for Sydney, Australia.

Degrees Minutes Seconds (DMS): Enter degrees, minutes, and decimal seconds with N/S/E/W directions. E.g. 33° 52' 7.752" S, 151° 12' 33.466" E.

UTM: Enter the zone (e.g. 55H), easting, and northing in metres. Check "Southern Hemisphere" for S-zone coordinates.

Map Click: Simply click anywhere on the map to instantly fill in the coordinates and see all formats at once.

Quick Reference

DD — Decimal Degrees (GPS default)

DM — Degrees Decimal Minutes

DMS — Deg. Min. Sec. (traditional)

UTM — Universal Transverse Mercator

MGRS — Military Grid Reference

OLC — Open Location Code (Plus Code)

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