Pond & Aquarium Volume Calculator

Pond and Aquarium Volume Calculator

This page contains three calculators to help you estimate the volume of your pond or aquarium in litres.
You will only need to use one of them. The third calculator is for people who already know the volume of their pond in gallons.

Enter your data in the fields marked "*", then click on the "Calculate" or "Convert" button.

Pond and Aquarium Volume Calculator - From Dimensions in Metres

Average Length * Metres
Average Width * Metres
Average Depth * Metres
Volume = Litres

Pond and Aquarium Volume Calculator - From Dimensions in Feet and Inches

If you have measured your pond or aquarium in inches, just use the inches column, you do not need to convert to feet. Entering 1'6" or just 18" will work equally well.

Average Length * Feet Inches
Average Width * Feet Inches
Average Depth * Feet Inches
Volume = Litres

Volume Converter - Gallons to Litres

Volume in Gallons *
Volume in Litres =

Volume Converter - Litres to Gallons

Volume in Litres *
Volume in Gallons =