Consult big al on that one
17.6 lengths
2500/20 = 125 lengths
Dolphins can swim 1,000 feet down before taking a breath of air.
to swim 800 meters in a 25 meter poll, you must swim 32 lengths, but to swim 800 YARDS, you only have to swim 29.26 lengths (so you should just swim 30 lenghts)
132 lengths
A lap is technically 2 lengths. And every 2 lengths in 50 yards. Therefore, you would have to swim 10 lengths (or 5 laps) to complete 250 yards.
39 lengths of a 50m pool 20 lengths of a 25m pool 43 lengths of a 50yard pool 22 lengths of a 25yard pool
1 mile = 1609.344 m (exactly) ⇒ 1 mile ÷ 25 m = 1609.344 m ÷ 25 m = 64.37376 lengths ≈ 64.4 lengths Just under 642/5 lengths.
You will need to swim 15 lengths and you will end up swimming 410 yards.
440 divided by 25 = 17.6 so if you swum 18 lengths you would have swum 450 yards.
Just under 39 m
That does not matter. There are different events which consist of different lengths. You just have to place 1st in an event.