Molar Volume Converter
Convert molar volume between listed units.
Open toolPipe Volume Calculator
Find material volume of a hollow circular cylinder as π(R² − r²)L. Use the same length unit throughout.
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Enter the inputs, then select Calculate.
Your result
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Result will appear here
How Pipe Volume Calculator works
Find material volume of a hollow circular cylinder as π(R² − r²)L.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. This is pipe material volume, not internal fluid capacity. Inner radius cannot exceed outer radius. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How to use Pipe Volume Calculator
Follow the labelled inputs.
Enter outer radius
Replace the example with outer radius. The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set inner radius, pipe length. Use the same length unit throughout.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Pipe Volume Calculator
Check the supplied example
The starting example produces 78.5398163397. Find material volume of a hollow circular cylinder as π(R² − r²)L.
Use your own inputs
Read the labels for outer radius and inner radius, pipe length. Use the same length unit throughout.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Find material volume of a hollow circular cylinder as π(R² − r²)L.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. This is pipe material volume, not internal fluid capacity. Inner radius cannot exceed outer radius. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
Supported input and limits
Check the stated scope before you run it.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. This is pipe material volume, not internal fluid capacity. Inner radius cannot exceed outer radius. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolPipe Volume Calculator: common questions
Answers about using Pipe Volume Calculator and understanding its results.
What inputs and assumptions apply?
Use the same length unit throughout. Areas use squared units and volumes use cubed units. This is pipe material volume, not internal fluid capacity. Inner radius cannot exceed outer radius. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How can I save the result?
Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.
Calculate with your input
Check the calculated result, then copy or download it.