Math
Instant, private, and free
Cylinder Volume Calculator.
Calculate the volume and base area of a right circular cylinder.
Set your values
Results update as you type.
Use Cases
Determine storage capacity
Find the volume of cylindrical tanks, pipes, or containers to estimate capacity for liquids or materials.
Example: A tank with radius 2 m and height 5 m has a volume of about 62.83 m³.
Calculate material needs
Compute the base area to estimate the amount of material needed for circular bases, such as concrete footings or lids.
Example: For a radius of 3 ft, the base area is about 28.27 ft².
Frequently Asked Questions
- How do I calculate the volume of a cylinder?
- Enter the radius and height of the cylinder in the provided fields. The calculator uses the formula V = πr²h, where r is the radius and h is the height, to compute the volume in cubic units.
- What is the base area of a cylinder?
- The base area is the area of the circular base, calculated as A = πr², where r is the radius. This calculator provides the base area in square units based on the radius you enter.
- Can I use any unit for radius and height?
- Yes, you can enter the radius and height in any consistent unit (e.g., meters, feet, inches). The volume will be in cubic units of that unit, and the base area in square units.
Tips & Common Mistakes
Tips
- Ensure the radius and height are in the same unit to get correct volume and area results.
- If you have the diameter, divide it by 2 to get the radius before entering.
- Use the base area result to quickly find the lateral surface area if needed (multiply by height).
- For a quick estimate, remember that π is approximately 3.14159.
Common Mistakes to Avoid
- Entering the diameter instead of the radius, which will overestimate the volume by a factor of 4.
- Using different units for radius and height, leading to incorrect volume units.
- Forgetting that the volume is in cubic units, not square units.
Last updated: August 13, 2026