Straight tunnels through the Earth

Every straight tunnel takes 42 minutes

00:00

Since release

TunnelTravel time

Units

Click anywhere inside the Earth to dig your own tunnel through that point.

A perfect sphere of uniform density 5514 kg/m³, not rotating, with a rigid frictionless tunnel and a point mass falling through it.

The clock runs at 100× real time, so the 42-minute fall plays out in 25 seconds.