I've been reading the QGIS manual and I've encounter a problem I don't know what to do. I downloaded data from OpenStreetMap and the raster from http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp The thing is that when I try to calculate the area it turns in REALLY small numbers such as 6.18e-06 I've tried with a couple of projections and it doesn't seem to work.
Any ideas?