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DMS and Decimal Degree Conversion

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert geographic coordinates specified in degree-minute-second (DMS) to decimal degrees and vice-versa.

Enter gps coordinate you want to convert from:

°

Result window

Android: Use this coordinate converter offline with our all-in-one calculator app.

Methodology

Longitude/ latitude values may be either expressed as a decimal fration or with a sexagesimal notation where each degree is divided into 60 minutes, each of which is further sub-divided into 60 seconds.

DMS to decimal

dd = deg + min/60 + sec/3600

Decimal to DMS

deg = ⌊dd⌋
min = ⌊(dd - deg) * 60⌋
sec = ((dd - deg) * 60 - min) * 60
where,
dd = coordinate in decimal degree
deg = degrees
min = minutes
sec = seconds

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