3D Geometry Calculator

Geometry Calculator - Calculate Area, Perimeter, Volume & Surface Area

The Geometry Calculator by SiD X Tool helps you quickly and accurately calculate the area, perimeter, volume, and surface area of common 2D and 3D geometric shapes. Whether you’re a student solving homework, a teacher demonstrating formulas, or a professional in design and construction — this tool gives you instant answers with easy-to-understand inputs.

📏 Supported 2D Shapes

• ◼️ Square
• ⬛ Rectangle
• 🔺 Triangle (basic, equilateral, isosceles)
• 🟠 Circle
• 🟪 Parallelogram
• 🔷 Rhombus
• 🔶 Trapezoid
• 📐 Regular Polygon

📦 Supported 3D Shapes

• 🧊 Cube
• 📦 Cuboid (Rectangular Prism)
• 🪣 Cylinder
• 🎯 Sphere
• ⛰️ Cone
• 🔺 Triangular Prism
• ⏹️ Hemisphere

🧠 What You Can Calculate

• ✅ Area of 2D shapes
• ✅ Perimeter or circumference
• ✅ Surface area of 3D solids
• ✅ Volume of 3D objects
• ✅ Step-by-step formula preview (optional)

🎯 Key Features

• ⚡ Instant results on input
• 📋 Dropdown to select shape and property
• 📱 Fully responsive for mobile and tablet
• 🧾 Option to copy or download results (optional)
• 🆓 100% free, browser-based, and ad-free

📘 Example Calculations

• Area of Circle (r = 7): 154 cm²
• Perimeter of Rectangle (l = 10, w = 5): 30 units
• Volume of Cylinder (r = 4, h = 10): 502.65 cm³
• Surface Area of Cube (a = 6): 216 cm²

📚 Use Cases

• 🎓 Students solving math and geometry homework
• 👩‍🏫 Teachers preparing classroom examples
• 📐 Architects & civil engineers planning spaces
• 🧮 Competitive exam aspirants (JEE, SSC, SAT)
• 🖌️ Designers and CAD professionals working with shapes

FAQs – Frequently Asked Questions

• Q: Can I calculate both 2D and 3D shapes?
  A: Yes! Choose from a wide variety of 2D and 3D geometrical figures.
• Q: Are formulas shown before or after calculation?
  A: Optionally yes, you can preview the used formula for educational purposes.
• Q: Can I copy or export the result?
  A: Yes, the result can be copied and optionally downloaded.
• Q: Is it mobile-friendly?
  A: Absolutely! The interface is fully responsive and touch-friendly.

Conclusion

The Geometry Calculator from SiD X Tool is a complete solution for solving geometric problems in a few clicks. From basic shapes to complex 3D solids, this calculator helps you learn, practice, and apply geometric principles easily — with instant results and zero confusion. Try it now and make geometry simple!