The conditions at the Earth's core are incredibly extreme and difficult to measure directly. Scientists have used various techniques like studying seismic waves and analyzing meteorites to estimate the pressure and temperature.

Here's what we know:

Pressure:

* Estimated pressure: Around 3.6 million times the pressure at sea level.

* Units: Measured in gigapascals (GPa), with 1 GPa equivalent to 10,000 atmospheres.

Temperature:

* Estimated temperature: Around 5,200°C (9,392°F).

* Note: There's a range of estimates, with some scientists placing the temperature at around 6,000°C (10,832°F).

Important points to consider:

* These are estimates based on indirect measurements and complex models. There's still a degree of uncertainty in these figures.

* The pressure and temperature aren't uniform throughout the core. They increase significantly with depth.

* The Earth's core is divided into a solid inner core and a liquid outer core. The temperature and pressure are higher in the inner core.

It's worth noting that these extreme conditions are what make the Earth's magnetic field possible. The liquid iron in the outer core, driven by heat and pressure, creates electric currents that generate the magnetic field.