calculating hex tank size?

[ripvan]

I have had a new hexagonal tank bought and I am unsure of its capacity.It is
20 inches high and each side is 9 inches.Can anyone help?
many thanks
ripvan

 

[sylvia]

http/users.bluecarrots.com/dave.mann/pet...in/tankcalc.htm

 

[smithrc]

ok... it devides into 6 equilateral triangles...
work the area of those out (35.07 sqr inches each)

the multiply by the height (20 inches) will give you cubic inches (4208.9 of them)

this is...

15.17 UK gals
18.88 US gals
68.97 Ltrs

 

[The-Wolf]

http/boonedocks.net/fishtank/ftweb.php

on that site use the drop down box and change to hex.