Area & Volume Calculator
Calculate area and volume for rectangles, circles and cylinders with accurate geometry formulas. Ideal for students, architects, engineers, builders, teachers and daily measurements.
Rectangle Area Calculator
Formula: Area = Width × Height
Circle Area Calculator
Formula: Area = π × r²
Cylinder Volume Calculator
Formula: Volume = π × r² × height
About This Area & Volume Calculator
This all-in-one geometry tool helps you calculate area and volume for essential shapes such as rectangles, circles and cylinders. It uses standard mathematical formulas and provides instant, accurate and clear results.
These calculations are commonly used in construction, academics, architecture, landscaping, engineering, interior design, carpentry, manufacturing and school mathematics.
FAQ — Area & Volume Tools
1. What formula is used to calculate rectangle area?
Rectangle Area = Width × Height. The result is shown in square meters (m²).
2. How is circle area calculated?
Circle Area = π × radius². This calculator uses π = 3.14159.
3. What is the cylinder volume formula?
Volume = π × radius² × height. The output is in cubic meters (m³).
4. Are the results rounded?
Yes. All outputs are rounded to 2 decimal places for better readability.
5. Does this tool work offline?
Yes, all calculations run in your browser with no internet required.