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Calcimator

Volume of Revolution Calculator

Calculate the volume and surface area of a solid of revolution using the disk or shell method.

Inputs

Results

Volume

8.3776 cubic units

Surface Area17.7715 sq units
How to Use This Calculator
  1. Select the function f(x) that will be revolved, and enter its defining parameters.
  2. Set the bounds of integration (a to b) along the x-axis — the solid extends across this interval.
  3. Choose the Disk Method (revolution around x-axis): V = π ∫[a,b] [f(x)]² dx.
  4. Choose the Shell Method (revolution around y-axis): V = 2π ∫[a,b] x·f(x) dx.
  5. The cross-section profile chart shows the radius of the solid at each x value, representing half the disk diameter.
  6. Both methods produce the same volume for the same region — choose based on which integral is easier to set up.

How the result changes with x End

x EndVolume
-4067,020.6433 cubic units
-153,534.2917 cubic units
153,534.2917 cubic units
4067,020.6433 cubic units

What each input means

Function Type
Function to revolve around the x-axis
Coefficient a
Leading coefficient
Coefficient b
Second coefficient
x Start
Left bound of rotation region
x End
Right bound of rotation region
Method
Disk method integrates cross-sectional areas; shell method integrates cylindrical shells

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Function Type = 1, Coefficient a = 1, Coefficient b = 0, x Start = 0 = 6 input(s) provided
  2. Calculate Volume
    Volume = volume
    8.3776 = 8.3776

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