Measurement of the top mass at the LHC

The top quark is the most massive fundamental particle ever observed. As such, it plays a particular role in the theories of elementary constituents of matter. The motivation for a precise measurement of the top quark mass ensues from this role. The ATLAS and CMS experiments at the LHC have taken part in this effort and achieve precisions below the GeV, using data collected during the years 2011 and 2012, at a centre-of-mass energy $\sqrt{s}$ of 7 TeV and 8 TeV respectively. This document reviews the measurements performed by the two collaborations at the time of writing.