How to Use?

📐 Area Calculator of Any Shape (Manual Input)

A lightweight browser-based tool to calculate the area of any polygon shape by manually entering coordinates.
Perfect for use in the field, where a CSV file may not be available.

✨ Features

➕ Add Points Manually – Enter X/Y coordinates directly into the table.
📝 Editable Table – Add, edit, delete, or reorder points anytime.
📊 Visual Graph – Displays the polygon on a grid with dynamic updates.
📏 Segment Lengths – Each line between points shows its length.
🧮 2D Area Calculation – Real-time polygon area using the shoelace formula.
🚫 Self-intersection Detection – Warns if the polygon overlaps itself.
🌓 Light/Dark Mode toggle for better usability outdoors.
🔍 Zoom & Pan – Inspect shapes interactively.
📱 Offline Ready – Runs fully in the browser without internet.

🖼️ Preview

🚀 How to Use

Open Area Calculator of Any Shape.html in your browser.
Use + Add Point to enter coordinates manually.
Add at least 3 valid points to form a polygon.
The tool will:

Draw the polygon
Display segment lengths
Compute and show the area

📄 Example Input

S/N	Name	X	Y
1	A	10	15
2	B	80	20
3	C	70	70

⚡ Why Use This Tool?

💻 No need for CSV or external software
🌐 No internet required – works completely offline
📱 Works on mobile phones, tablets, and desktops
🧑‍💼 Perfect for surveyors, engineers, and planners working in the field

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Area Calculator of Any Shape (Manual Input)