Irregular Shape Area Calculator

Professional Plot & Irregular Shape Area Calculator

Dimension templates • Survey coordinates • Interactive drawing • Cut-outs • Perimeter • Multi-unit area conversion • PNG / PDF

1. Inputs & Calculation

Working Length Unit Feet (ft) Metres (m) Inches (in) Centimetres (cm) Millimetres (mm)

Shape Type RectangleTriangle TrapezoidL-Shape T-ShapeU-Shape Custom Polygon

Enter actual surveyed coordinates in the selected working unit. Points must follow the boundary in order; the first point is automatically joined to the last.

Point	X	Y

Click the canvas to place points. The first click establishes the origin. Continue around the boundary. Double-click or press Close Polygon when finished. The canvas automatically fits the polygon and supports proper click-to-coordinate conversion.

Drawing Grid Spacing

Grid Unitftm

For survey / contractual quantities, enter measured coordinates or dimensions. Freehand drawing is only an estimation aid.

Rectangular Cut-out / Deduction

Length

Width

Quantity

Results

Net Area — Working Unit²0

Perimeter — Working Unit0

Area — m²0

Area — ft²0

Area — yd²0

Area — hectare0

Area — acre0

Perimeter — m0

Boundary Dimensions

2. Interactive Plan / Canvas

Boundary Dimensions Points Coordinates Grid

Ready. Select a shape or use coordinates / drawing mode.

Engineering calculation aid. Verify dimensions, survey data, drawing interpretation and applicable measurement standards before final issue.