Blueprint Scale Area Calculator

Convert blueprint drawing measurements into real-world area using a scale factor. For standard rectangle measurement, try our Rectangle Area Calculator.

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Rectangle Area Floor Area Polygon Coordinate Area Irregular Area
Real-World Area: —
Enter positive numbers for all fields.
Formula:
Real Length = Drawing Length × Scale
Real Width = Drawing Width × Scale
Area = Real Length × Real Width
Example:
4.5" × 3" at 1" = 4 ft (scale 48)
Real: 18 ft × 12 ft = 216 ft²