Cylinder volume calculator
Calculate the volume and outer area of a cylinder using radius and height.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
Fractional results are displayed up to 12 digits of precision. Please unify units in the input values.
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Calculation·conversion criteria
Find the volume and total surface area of a cylinder.
Input example
Radius 2, height 3: volume ≈ 37.6991118431
If radius 2 and height 5, the volume is 20π and the outer area is 28π. The outer area is the value plus two circles on the side.
How to use
- Use the entered example value or change the radius or height item.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Can the area of an open lid container be obtained immediately?
The visible area includes both side surfaces. If one side is open, the area of a single circle must be reduced by πr², and wall thickness or joints gaps are not included in the calculation.
Calculation criteria and reference materials
The calculation formula and scope of this tool are disclosed in the above description. Examples can be checked by substituting input values into the formula or following the specified string and calendar handling rules.
Verification of calculation criteria: · Calculation·verification principles · Report errors