Tank Volume & Conversion Tools
Use these free tools to convert between volume units, calculate the volume of a rectangular tank, and work out missing tank dimensions based on a required capacity.
Volume Unit Converter
Select any unit, enter a value, and the others will update automatically.
Volume Calculator
Enter the tank length, width and height in either millimetres or inches.
Tank Dimensions Calculator
Enter a required capacity in litres and any two dimensions. The third will be calculated.
Please enter any two of the following in either millimetres or inches:
Note: this calculator assumes a simple rectangular tank and does not allow for wall thickness, baffling, or other internal features. Results are approximate.
