How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Circular tube cross-sectional area
pi*(outer^2-inner^2)/4Cross-Sectional Area Calculator
Inner diameter must not exceed outer; zero inner diameter gives a solid circle.
Inner diameter must not exceed outer; zero inner diameter gives a solid circle.
Result
Enter your values and run the tool to see your result.