Spike's Calculators

Cylinder with a Sloped Bottom Tank

Cylinder with a Sloped Bottom Tank

Calculate the volume and capacity of a cylinder with sloped bottom tank. 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 a Sloped Bottom Tank

Tank Diameter in
Long Height in
Short Height in
Liquid Weight-Pounds per US Gallon lb/gal US


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 cm²
In Square Metres


  1. enter the tank's diameter in inches
  2. the long height of the tank in inches
  3. the short height of the tank in inches
  4. the weight of the liquid in pounds per US gallon


  1. the volume of the sloped bottom 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

V = 𝝅r²(sl)/2
where V is the volume of the tank
𝝅 = 3.14159265
r  =  half the diameter
s the short length
l the long length of the tank
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 Sloped Bottom

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