About 80.5 20-meter lengths in one mile.
There are approximately 40 lengths of 25 meters in a mile.
1 mile = 1,609.344 meters1,609.3445/25 = 64.374 lengths
80.46 sets
Just over 16 lengths.
64 lengths is a little less than a mile. 65 lengths would put you over.
94. 5
1 mile = 1609.3412 metres 1609.3412 / 25 = 64.4 lengths (rounded to the nearest tenth)
804.672 m 1 mile = 1609.344 meter 1 meter = 0.00062 mi
72 lengths or 36 laps in a 25 meter pool
804.672 m 1 mile = 1609.344 meter 1 meter = 0.00062 mi
In a 50 meter pool, one mile would be 16 laps (32 lengths).