True Size Country Overlay Map
Search a country, spawn one or more draggable ghost outlines, and compare how Mercator changes apparent size across latitudes.
Add country ghost
0 ghosts
Loading country boundaries and metadata…
Active ghosts
Click one to select
How it works
Base countries
Selected base
Ghost overlays
Mercator scale compensation uses cos(φ₀) / cos(φ₁), where
φ₀ is the country’s original centroid latitude and
φ₁ is the ghost’s current latitude.