Floor Area Calculator — Calculate Room & Property Areas

Floor Area Calculator

Calculate floor area for rooms, properties, and land. Convert between square meters, square feet, and other area units. Perfect for flooring, painting, and construction projects.

Step 1: Shape & Dimensions

Rectangle
Square
Circle
Triangle
Same size

Understanding Floor Area

Floor area is the total area of a floor surface. For construction, flooring, and painting projects, accurate area calculations help estimate materials and costs.

Step 2: Units & Cost

10%

About Material Waste

Material waste allowance accounts for cutting losses, pattern matching, and installation errors. 10-15% is typical for flooring, while 5-10% is common for painting.

Floor Area Results

Summary
Unit Comparison
Cost Breakdown

Total Floor Area

80 m²
Estimated Cost: £2,200
Area per Room
80 m²
Total Rooms
1
Cost per Unit
£27.50/m²
Shape Type
Rectangle

Area Unit Comparison

Unit Abbreviation Area per Room Total Area Conversion Factor

Cost Breakdown Analysis

Area Calculation Formulas

Rectangle: Area = Length × Width

Square: Area = Side × Side

Circle: Area = π × Radius²

Triangle: Area = ½ × Base × Height

Total cost = (Area × Rooms × Cost per unit) × (1 + Waste%)

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