Antipodes

Drag the left map to pick a point. The right map holds the spot on the exact opposite side of the planet.

Maps: starting…
Your point · decimal degrees
Lat
51.47790
Lon
-0.00150

The crosshair sits at the centre of the map. Drag it, search for a place, or type coordinates.

Search a place

Or type decimal degrees
Crosshair = your point
Antipode · decimal degrees
Lat
-51.47790
Lon
179.99850
51°28′40″ S · 179°59′55″ E

Roughly seven in ten antipodes land in open water — an empty ocean here is the usual answer, not a mistake.