http://www.google.com/search?q=1+square+kilometer+in+acres http://www.google.com/search?q=1+square+mile+in+acres Lubos On 02/12/2011 09:10 PM, ing. Jan Galuszka wrote: > Ted se bavime s kolegou o pozemku a on podle mne plete ar a akr > > ar je 10x10m , podle mne neni akr to same > > poradi nekdo? > > Honza