geometry calculator

Hemisphere Total Surface Area Calculator

Keep this page handy for situations where a hand calculation would be slow or easy to miscopy around hemisphere total surface area.

Estimate

Enter job values, review the estimate, then use the decision hints before ordering or quoting.

Estimate Results

Enter values to see the result.

Formula

total surface area = 3pi x r^2

The total hemisphere area adds the curved shell and the flat circular base together.

Example

Radius 6 gives Total Surface Area 339. 29.

Check

Using the right formula with the wrong measurement label or axis.
Switching between degrees and raw ratios without noticing the change.

Next Step

Next Calc

Hemisphere Curved Surface Area Calculator

Next: hemisphere curved surface area.

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Hemisphere Surface Area Calculator

Next: hemisphere surface area.

Next Calc

Cone Total Surface Area Calculator

Open this calculator for cases where a small arithmetic slip would otherwise force a full restart around cone total surface area.

Important Use Notice

Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.