whats the math here, FSMETEO and atis says QNH1036, how do i set the altimeter when it reads 2992, can i change that to QNHthx OHN

QNH is Atmospheric Pressure (Q) at Nautical Height. It is used in Europe and the Middle East, where the Metric system is used more.To change this, go to Settings > International > Units of Measure (change to Metric)Otherwise, the gauge in FS needs to be able to switch between the modes, like the PSS Airbus.