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I have a global map with CRS WGS84-EPSG:4326 and I want to calculate the area of my polygons. From what I read, to change the unit from degrees to meters I need to change my CRS. However, there is no global system for this.

Is there any solution to change unit from degrees to meters for a global map?

5

There are a few projections that you can use:

Equal-area world map projections with poles represented as points

  • Mollweide
  • Hammer (or Hammer-Aitoff)
  • Boggs Eumorphic
  • Sinusoidal

Equal-area world map projections with poles represented as lines

  • Eckert IV
  • Wagner IV (or Putnins P2')
  • Wagner VII (or Hammer-Wagner)
  • McBryde-Thomas flat-polar quartic
  • Eckert VI

http://projectionwizard.org/

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