Determine the Mercator scale factor for a given latitude, see https://en.wikipedia.org/wiki/Mercator_projection#Scale_factor
At the equator the scale factor will be 1, which increases at higher latitudes.
in degrees
the scale factor
Determine the Mercator scale factor for a given latitude, see https://en.wikipedia.org/wiki/Mercator_projection#Scale_factor
At the equator the scale factor will be 1, which increases at higher latitudes.