CRS EPSG:4326 Units – Understanding the Units in Coordinate Reference System EPSG:4326

coordinate system

I have been searching for an answer to this question for a while now, and for some reason I can't seem to find it.

How are the units defined in the EPSG:4326 system?

Are longitude and latitude written in degrees,minutes and seconds or are they written in decimal?

Some sources say that WGS84 and EPSG:4326 are exactly the same thing, other say they are different, but then don't provide the differences.

How should I be writing down longitude and latitude in the EPSG:4326 system?

Best Answer

Decimal degrees. Not so much the CRS as the way computers handle floats. They use decimal numbers, not sexagesimal values. Pretty much every CRS uses decimal numbers, whether they are spheroidal or projected.

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