How much waters in a swimming pool?

I depends on what type of pool your are swimming at. Like if one pool you are swimming at is 12 feet and a different pool is 5 feet the is going to be more water is the 12 foot swimming pool.

The dimensions of the pool are needed to calculate thisWell actually depends how big and how much u put in to it!

2500000 litres or 2.5 mega litres a lot of water eh?

That's more like a bucket then a swimming pool 26.59 gallons 100.65 liters

Too much water in your pool means the skimmers won't work properly. There's not enough suction to skim the debris from the top of the pool. Too little water and your skimmers will be sucking air and...