User guide
Tank Volume — Rectangular
What is the volume of a rectangular tank
with a length of 5 feet 6 inches, width of
7 feet and depth of 4 feet?
Steps Keystrokes  Display
Clear calculator  [On/C] [On/C] 0.
Enter length  5 [Feet] 6 [Inch]  5 
FEET
6 
INCH
Multiply by width [x] 7 [Feet] 7 
FEET
Multiply by depth 
to find volume [x] 4 [Feet] [=] 154. 
CU FEET
Multiply by conversion factor to find
number of gallons [x] 7.48 [=] 1151.92 
CU FEET
*
(1151.92 
GALLONS
)
*ignore CU feet on display
Tank Volume — Round
What is the volume of a round tank with
a diameter of 10 inches and side water
depth of 15 feet?
Steps Keystrokes  Display
Clear calculator  [On/C] [On/C] 0.
Enter diameter
10 [Feet][Circ]
DIA
10 
FEET
0 
INCH
Find circle area [Circ]
AREA
78.53982 
SQ FEET
Multiply by depth 
to find volume [x] 15 [Feet] [=]
1178.097 
CU FEET
Multiply by conversion factor to find 
number of gallons [x] 7.48 [=]
8812.167 
CU FEET
*
(8812.167 
GALLONS
)
*ignore CU feet on display
User’s Guide – 33
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