How many laps to swim one kilometer in a 20 yard pool?

Answer:
Assuming laps means two lengths (there and back in a lane):

1yd = 0.9144m
20yd = 18.288m
2 lengths = 36.576m

1km = 1000m
= 1000m / 36.576m
~= 27.34 laps

(just over 54 2/3 lengths)
First answer by Cigmorfil. Last edit by Cigmorfil. Contributor trust: 50 [recommend contributor recommended]. Question popularity: 146 [recommend question].