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Coordinate Formatter

Convert decimal coordinates into degrees minutes, DMS and geo URI formats.

Format coordinates

Decimal degrees: —
Degrees minutes: —
Degrees minutes seconds: —
Geo URI: —
Enter decimal degrees, for example 51.5074 and -0.1278.
North and east are positive. Everything is formatted locally in your browser.

How to use the Coordinate Formatter

  1. Enter the latitude in decimal degrees.
  2. Enter the longitude in decimal degrees.
  3. Copy the format you need, from decimal degrees to DMS or geo URI.

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Frequently Asked Questions

Common questions about the free online coordinate formatter.

Enter the decimal latitude and longitude. The tool shows degrees minutes and degrees minutes seconds, which most handheld GPS units accept.
DMS splits a coordinate into degrees, minutes and seconds, while DMM uses degrees and decimal minutes such as 51 degrees 30.444 minutes.
Northern latitudes and eastern longitudes are positive, so southern and western coordinates are negative numbers.
A geo URI such as geo:51.507400,-0.127800 is a compact link that opens a location in many map and navigation apps.
Yes. Divide the minutes by 60 and the seconds by 3600, then add them to the degrees and keep the sign for south or west.
Six decimals give a precision of about 0.1 metres, which is more than enough for maps, GPS and surveying notes.
No. Formatting happens in your browser and nothing is sent to a server.
Yes, it is free to use with no account, no sign-up and no limits.

Last updated: October 10, 2026