Convert DMS to decimal degrees and back
Paste coordinates in decimal degrees, DMS, or degrees and decimal minutes, or drop in a Google Maps link, and get every format back instantly. Everything runs in your browser: nothing is uploaded, logged, or stored.
Coordinate conversion questions
How do I convert DMS to decimal degrees?
Add the degrees, the minutes divided by 60, and the seconds divided by 3,600. Make the result negative for south or west coordinates.
How do I convert decimal degrees to DMS?
Use the whole number as degrees. Multiply the decimal remainder by 60 for minutes, then multiply the remaining fraction by 60 for seconds.
What are degrees and decimal minutes?
A third format, written like 40° 42.768′ N. It keeps whole degrees and turns the rest into minutes with decimals instead of seconds. Geocaching sites, marine charts, and many handheld GPS units use it, and this converter shows it alongside DD and DMS.
Which coordinate comes first?
Latitude comes first and longitude comes second. Latitude ranges from -90 to 90; longitude ranges from -180 to 180.
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