Cone Surface Area Calculator
Find total area of a closed right circular cone.
Open toolSpherical Cap Surface Area Calculator
Find curved spherical cap area 2πRh. All lengths must use the same unit.
Free to useNo sign-upRuns in your browser
Enter your details
Enter the inputs, then select Calculate.
Your result
Enter your details
Result will appear here
How Spherical Cap Surface Area Calculator works
Find curved spherical cap area 2πRh.
All lengths must use the same unit. Area uses squared units and volume uses cubed units. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Excludes the flat circular base. Cap height cannot exceed the diameter. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
How to use Spherical Cap Surface Area Calculator
Follow the labelled inputs.
Enter sphere radius
Replace the example with sphere radius. The field labels specify the expected format and units.
Input and settings
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 Spherical Cap Surface Area Calculator
Check the supplied example
The starting example produces 18.8495559215. Find curved spherical cap area 2πRh.
Use your own inputs
Read the labels for sphere radius and cap height. All lengths must use the same unit.
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 curved spherical cap area 2πRh.
All lengths must use the same unit. Area uses squared units and volume uses cubed units. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Excludes the flat circular base. Cap height cannot exceed the diameter. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
Supported input and limits
Check the stated scope before you run it.
All lengths must use the same unit. Area uses squared units and volume uses cubed units. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Excludes the flat circular base. Cap height cannot exceed the diameter. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
The input stays in this browser. Copy result and Download save the same displayed text.
More free tools to try
Choose another tool for your next calculation, conversion, or text task.
Pyramid Surface Area Calculator
Find total area of a closed right square pyramid.
Open tool
Spherical Cap Volume Calculator
Find spherical cap volume πh²(3R − h)/3.
Open tool
Torus Surface Area Calculator
Find ring torus area as 4π²Rr.
Open tool
Cylinder Surface Area Calculator
Closed cylinder surface area = 2 × π × radius × (radius + height).
Open toolSpherical Cap Surface Area Calculator: common questions
Answers about using Spherical Cap Surface Area Calculator and understanding its results.
What assumptions and input limits apply?
All lengths must use the same unit. Area uses squared units and volume uses cubed units. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded. Excludes the flat circular base. Cap height cannot exceed the diameter. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
How can I save the output?
Use Copy result to copy the displayed text, or Download to save it as a text file. The tool runs in your browser and does not require an account.
Calculate with your input
Check the calculated result, then copy or download it.