Conversion Tools

At Tanks Direct, we understand that choosing the right tank size and understanding capacity requirements can be challenging, which is why we've developed this water tank calculator to make your selection process straightforward and accurate. By providing these free tools alongside our extensive tank range, we're committed to supporting you throughout your entire selection process, helping you find the perfect water storage option that fits both your space constraints and capacity needs whilst saving you time and potential costly mistakes.

 

Our water tank volume calculator takes the guesswork out of determining exactly what capacity you need for your specific requirements, whilst our converters help you convert between different measurement units with precision. We know that every installation is different, and having access to reliable conversion tools means you can confidently plan your water storage system without worrying about ordering the wrong size or capacity.


  • Volume Unit Converter

  • Select your units below.

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  • Volume Calculator

  • Litres or Gallons
  • Tank Dimensions Calculator

  • The calculator below will calculate the tank dimensions required for a required capacity.

  • Required Capacity:

    Litres
  • Please enter 2 variables in inches or cm:

  • Litres Approx.

    Please note: does not take into account wall thickness or baffling.