One mile is closest to 1600m - so in a 50m pool you would swim 64 laps for the mile.  21 laps would be closest for 1/3 mile.

When Mo was a Nestling I fed her the Starling Diet ... Basically dried dog food soaked in water, mashed together with boiled egg, pureed apple, some calcium powder and some bird vitamins.  I added a little honey for flavour.  (I cut down a Slurpee Straw slightly to simulate her mum's beak and fed her from that.) … Read more