Volume Calculator: Simple and Accurate

Use this volume calculator to get volumes for common 3D shapes.

Enter dimensions in any unit.

The result shows cubic units of that same unit.

It fits students and teachers and makers and pros.

Why Use Our Volume Calculator?

You want speed and clarity.

• It covers cubes and spheres and cylinders and cones and boxes and prisms.
• You get the formula and a worked step for each shape.
• It accepts whole numbers and decimals.
• Press Enter to compute if you prefer the keyboard.
• Results update fast and save time.

How It Works

Select Your Shape

Choose a shape from the list.

Options include cube and sphere.

You can pick cylinder and cone.

There is rectangular prism and pyramid.

Triangular prism is there too.

A pyramid here uses a square base.

It takes one edge length for the base.

Enter Your Measurements

Fields appear for that shape.

Type each dimension as a positive number.

Use the same unit for all fields.

• Cube: enter side length of one edge.
• Sphere: enter radius from center to surface.
• Cylinder: enter radius and height, use the straight height.
• Cone: enter base radius and height, use the vertical height.
• Rectangular prism: enter length and width and height.
• Pyramid: enter base edge length and height, the base is square.
• Triangular prism: enter triangle base and triangle height and prism length.

Triangle height means the perpendicular height to the base.

Calculate and See the Result

Click Calculate or press Enter.

You will see Volume with a value in cubic units.

The tool shows Formula for the chosen shape.

It shows Calculation with your numbers filled in.

Large or tiny results may show in e notation.

That format looks like 1.23e+6 for big values.

The display rounds to four decimal places.

Trailing zeros drop to keep it tidy.

How to Use This Tool

Step 1: Choose a Shape

Pick Cube or Sphere or Cylinder or Cone or Rectangular Prism or Pyramid or Triangular Prism.

Check the formula shown under the inputs.

Step 2: Enter the Measurement Data

Enter the dimensions using the same unit.

You can type centimeters or meters or inches.

Use numbers greater than zero.

For cone and pyramid use vertical height.

For a triangular prism use the perpendicular triangle height.

Decimals are fine for any field.

Step 3: Get Your Volume

Click Calculate or press Enter.

Read the Volume line and the units.

Review the Formula and Calculation lines.

Edit a value and run it again.

Why This Tool Works for You

Clear steps reduce errors and help you trust the result.

Everything stays readable even with more complex shapes.

• Each field expects a number above zero.
• Keep units the same across all fields.
• The tool uses the built in value of pi.
• Results round to four decimals or switch to e notation.
• For triangles use a height that meets the base at a right angle.
• For cones and pyramids use vertical height from base to tip.
• Change of shape clears the fields and the output.

Take It for a Spin!

Here are sample cases for the volume calculator.

Use your own units for each one.

• Cube with side 5. Volume 125 cubic units.
• Sphere with radius 3. Volume 113.0973 cubic units.
• Cylinder with radius 2 and height 10. Volume 125.6637 cubic units.
• Cone with base radius 4 and height 8. Volume 134.0413 cubic units.
• Rectangular prism 6 by 4 by 3. Volume 72 cubic units.
• Pyramid with base edge 5 and height 7. Volume 58.3333 cubic units.
• Triangular prism with base 4 and triangle height 3 and length 10. Volume 60 cubic units.

Use this tool any time you need a quick, clear answer.