
To calculate the volume of water needed in a circular pool, you will need to know the diameter (width at the widest point and the depth.

Note that if your pool has a flat bottom – you enter the same value for D1 and D2.
Enter your values in the boxes below, click on the “Calculate” button and it will work out how many litres of water there are in your swimming pool.
NB -
1. All measurements are in metres.
2. “litres” box is where the answer will appear – please do not try to enter any values in this box.

