It's all about practice and what stroke you are doing. Freestyle, if you practice enough, you should be good. Butterfly or breaststroke, you might not quite make the time.
Johnny Weissmuller
No. 1km = 1000m
100m freestyle Michael phelps 46.65 seconds
No. 1km is 1000m.
Two - Bronze in the 2008 4 x 100m Freestyle Relay Silver in the 2008 100m Freestyle
0.1km. 1hm is 100m, 1km is 1000m
1 km = 1000m 1 cm = 1/100m Therefore, 450cm=450*1/100m=4.5m Thus,1km and 450cm=1000m+4.5m=1004.5m
Australia won a total of 17 bronze medals at the Beijing Olympics.Events- Women's 4x100m freestyle relay, Women's 100m Butterfly, Men's 4x100m freestyle relay, Men's 100m backstroke, Men's Slalom C-1 (canoe/kayak), Men's 4x200m freestyle relay, Women's 200m butterfly, Men's 50m rifle prone, Men's 100m butterfly, Men's 20km walk, Women's 50m freestyle, Women's triathlon, Softball, Women's Water Polo, Men's K-1000m (canoeing), Women's K-4 500m (canoeing) and Men's Hockey.
1000m = 1km 100m = 0.1km 50m = 0.05km
Alain Bernard won the men's 100m freestyle Britta Steffen won the women's 100m freestyle
The world record for the women's 100m freestyle swim is 51.71 seconds, set by Sarah Sjöström from Sweden on August 2, 2017.
100m Freestyle 51.22 200m Freestyle 1:52.78 100m Butterfly 54.27 200m Butterfly 2:00.70 4x100m Freestyle Relay 3:26.42 4x200m Freestyle Relay 7:35.78 4x100m Medley Relay 3:48.16