Pond Volume Calculator: How Many Litres Does Your Pond Hold?
A pond's volume is its length times width times average depth. This calculator turns those measures into litres.
What is the Pond Volume Calculator?
Pond treatments, pumps, and fish stocking all depend on volume. Enter length, width, and average depth in metres and this tool gives the volume in litres and cubic metres.
How to use it
- Enter your values in the fields provided.
- Click Calculate Pond Volume.
- Read the result and adjust an input if you want a different outcome.
Worked example
A pond 4 by 3 metres with 1 metre average depth holds 12 cubic metres, or 12,000 litres.
How many litres is a 4 by 3 metre pond averaging 1 metre deep?
Four times three times one is 12 cubic metres, and each cubic metre is 1,000 litres, giving 12,000 litres.
Frequently asked questions
What do I enter to get a result?
Fill in every field with your own numbers or choices, then run the tool. Empty number fields count as zero, so check them before you trust the output.
Can I reuse this result elsewhere?
Yes. The result is calculated in your browser from the values you entered, so you can copy the numbers into your own notes or plan.