About 64 laps. 25 meters is 82.021 feet. There are 5280 feet in a mile. 5280/82.021= 64.37
2.5 km.
(1 609.344 metres) divided by 25 = 64.37376 metres
If you mean UK miles, that would be 77.25 lengths!
64 lengths is a little less than a mile. 65 lengths would put you over.
Do you mean in a swimming pool??
16 lengths (down and back counts as 2 lengths)
One length of an Olympic size swimming pool is 50mtrs or 164.041 feet, so a lap (2 lengths) would be 328.082 feet
4 lengths
it doesnt matter it can be any size
Well, darling, if we're talking about a 25m pool, then 5 kilometers would be 200 lengths. So, get those goggles on and start swimming if you want to reach that 5k goal. Just don't forget to stretch those muscles afterwards, honey.
1 mile = 1609.3412 metres 1609.3412 / 25 = 64.4 lengths (rounded to the nearest tenth)
There are many techniques. They are all debatable. One is to swim lengths holding your breath.