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Round Hopper Tank

Cylinder with a Truncated Funnel Tank

Calculate a cylinder tank with a funnel-shaped bottom volume, capacity, and surface area. This tank's upper part consists of a cylinder with a truncated funnel attached to the bottom.
This calculator uses inches for measurements.

Approximate weight of Fuel or Water
one US gallon of water = 8.34 pounds.
one US gallon of diesel fuel = 7.1 pounds
one US gallon of gas = 6 pounds 

Cylinder with Cone Bottom Tank

Tank Diameter A in
Height A in
Height B in
Tank Diameter B in
Liquid Weight-Pounds per US Gallon lb/gal US

Results:

Tank Volume:
In Cubic Inches in³
In Cubic Feet ft³
In Cubic Metres
Tank Capacity:
In US Gallons gal US
In Imperial Gallons gal Imperial
In Litres L
Liquid Weight and Surface Area
Weight of Liquid lbs
Surface Area in Square Inches in²
In Square Feet ft²
In Square Millimetres mm²
In Square Metres

Calculator

  1. enter the top diameter (A) in inches
  2. the cylinder part height (A) in inches
  3. the truncated funnel height (B) in inches
  4. the bottom diameter (B) in inches
  5. the weight of the liquid in pounds per US gallon

Results

  1. the volume of the tank in cubic inches
  2. the volume in cubic feet
  3. the volume in cubic metres
  4. the tank capacity in US gallons
  5. the capacity in Imperial gallons
  6. the capacity in litres
  7. full tank liquid weight based on lbs/gal US
  8. the surface area of the tank in square inches
  9. the surface area in square feet
  10. the surface area in square millimetres
  11. the surface area in square metres

Formula
cV = 𝝅(D/2)*H
fV = 1/3𝝅H((T/2)²(B/2)²)
where cV is the volume of the cylinder
fV the volume of the truncated funnel
fV the volume of the funnel
D = diameter T
H is the height
T and B, the upper and lower diameters of the funnel
Conversions
one cubic inch (in³) = 0.000578703703703704 cubic feet (ft³)
one cubic inch (in³) = 0.000016387064 cubic metres (m³)
one cubic inch (in³) = 0.00432900432900432 gallons (gal) US
one cubic inch (in³) = 0.00360465014990905 gallons (gal) Imperial
one cubic inch (in³) = 0.016387064 litres (L)

Vertical Cylinder Tank with a Truncated Funnel (Hopper)

Vertical Cylindrical Tank

Partial Filled

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