https://community.esri.com/t5/esri-tutorials-questions/some-basis-calculation-to-convert-dms-and-dd/m-p/1214647#M714 <P>Hello.... Just wanted to share the basic calculation method for converting DMS to DD and vice versa</P><P>Sexagesimal (base 60) system<BR />Degrees, Minutes, Seconds (DMS)&nbsp;e.g. 142° 32’ 23”<BR />1 degree = 60 minutes<BR />1 minute = 60 seconds.</P><P><BR />Converting DMS&nbsp;150° 11’ 29” to DD coordinates&nbsp;<BR />= 150 + (11/60) + (29/3600)<BR />= 150.1914</P><P>Explanation - 150° 11’ 29”<BR />= D + (M/60) + (S/3600)<BR />= 150 + (11/60) + (29/3600)<BR />= 150 + 0.1834+ 0.008</P><P>= 150.1914</P><P><BR />Converting Decimal degrees to Degrees, minutes, seconds</P><P>150.1914<BR />.1914x60 = 11.484<BR />.484x60 = 29</P><P>150° 11’ 29”</P><P>Hope this will help to understand the logic behind the conversion.</P><P>&nbsp;</P><P>Thanks<BR />Samriddhi</P> Wed, 21 Sep 2022 15:23:42 GMT SamriddhiSrivastava 2022-09-21T15:23:42Z https://community.esri.com/t5/esri-tutorials-questions/some-basis-calculation-to-convert-dms-and-dd/m-p/1214647#M714 <P>Hello.... Just wanted to share the basic calculation method for converting DMS to DD and vice versa</P><P>Sexagesimal (base 60) system<BR />Degrees, Minutes, Seconds (DMS)&nbsp;e.g. 142° 32’ 23”<BR />1 degree = 60 minutes<BR />1 minute = 60 seconds.</P><P><BR />Converting DMS&nbsp;150° 11’ 29” to DD coordinates&nbsp;<BR />= 150 + (11/60) + (29/3600)<BR />= 150.1914</P><P>Explanation - 150° 11’ 29”<BR />= D + (M/60) + (S/3600)<BR />= 150 + (11/60) + (29/3600)<BR />= 150 + 0.1834+ 0.008</P><P>= 150.1914</P><P><BR />Converting Decimal degrees to Degrees, minutes, seconds</P><P>150.1914<BR />.1914x60 = 11.484<BR />.484x60 = 29</P><P>150° 11’ 29”</P><P>Hope this will help to understand the logic behind the conversion.</P><P>&nbsp;</P><P>Thanks<BR />Samriddhi</P> Wed, 21 Sep 2022 15:23:42 GMT https://community.esri.com/t5/esri-tutorials-questions/some-basis-calculation-to-convert-dms-and-dd/m-p/1214647#M714 SamriddhiSrivastava 2022-09-21T15:23:42Z