conversion from m/s to km/h is actually very simple, thanks to the similarities of the metric and SI-system. Major drawback for those who are using the imperial system there
3.6 km/h = 3.6*(1000 m/3600 s) = 3.6*(10/36 m/s) = 1 m/s
Also I guess about every phone talks Java nowdays? Well my great phone Siemens C55 does and I had nice converter program for that, but screen was small and unclear so never used that, great phone but crap for anything else than talking
But if you are using LFS Tune, how come you are not around computer at that time?