Cone Frustum Volume Calculator
Find right circular cone frustum volume πh(R² + Rr + r²)/3.
Open toolFind ring torus volume as 2π²Rr². All lengths must use the same unit.
Enter the inputs, then select Calculate.
Result will appear here
Find ring torus volume as 2π²Rr².
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. Major radius must exceed minor radius; spindle and horn tori are excluded. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
Follow the labelled inputs.
Replace the example with major radius, centre to tube centre. The field labels specify the expected format and units.
Select Calculate. Review the calculated result, then copy it or download the result text.
The starting example produces 59.2176264065. Find ring torus volume as 2π²Rr².

Read the labels for major radius, centre to tube centre and minor tube radius. All lengths must use the same unit.

Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.

Read the units and assumptions with the output.
Find ring torus volume as 2π²Rr².
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. Major radius must exceed minor radius; spindle and horn tori are excluded. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.

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. Major radius must exceed minor radius; spindle and horn tori are excluded. 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.

Choose another tool for your next calculation, conversion, or text task.
Find spherical cap volume πh²(3R − h)/3.
Open toolFind ring torus area as 4π²Rr.
Open toolMultiply the input by the source unit factor and divide by the destination factor.
Open toolCone volume = π × radius² × height / 3.
Open toolAnswers about using Torus Volume Calculator and understanding its results.
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. Major radius must exceed minor radius; spindle and horn tori are excluded. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
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.
Check the calculated result, then copy or download it.