TIL:

In Egypt, the feddan is the only non-metric unit which remained in use following the adoption of the metric system. A feddan is divided into 24 kirat (Arabic: قيراط, qīrāt), with one kirat equalling 175 square metres.

Hopefully it will fare better in its ecological and economical impact than the Assuan dam - which, I will never tire to say, has to put almost its entire electricity output to the production of fertilizers that no longer deposit naturally along the Nile's banks because of the dam(n).