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.
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.
39 lengths of a 50m pool 20 lengths of a 25m pool 43 lengths of a 50yard pool 22 lengths of a 25yard pool
You will need to swim 15 lengths and you will end up swimming 410 yards.
Just under 39 m
440 divided by 25 = 17.6 so if you swum 18 lengths you would have swum 450 yards.
That does not matter. There are different events which consist of different lengths. You just have to place 1st in an event.