Gallons from dimensions?

[Valyrian]

How do I get how many gallons a tank holds from the dimensions?

 

[simonbrown403]

here try these sites should help you:

pratical fishkeeper mag
http/www.practicalfishkeeping.co.uk/pfk/..._calculator.php

aquarium converters
http/mike-edwardes.members.beeb.net/converter.html

 

[Valyrian]

Thanks a lot.