Finding the volume of a Frustum Tank

Finding the volume of a Frustum Tank

A frustum can be multi-sided or conical, the formula below will work for both.

  • V = volume
  • H = height between bases
  • B1 = area of upper base
  • B2 = area of lower base

Formula

  • To find the volume in Liters:
    • Measure the tank in centimeters and divide the result by 1000.
    • Measure the tank in meters and multiply by 1000.
  • To find the volume in US gallons:
    • Measure the tank in inches and divide by 231.
    • Measure the tank in feet and multiply by 7.48.