Area Calculator

Calculate floor area, room dimensions, and building footprint for architectural and construction planning.

Results

Area
In Square Feet:
In Square Meters:
Perimeter:

About This Calculator

The Area Calculator helps architects, builders, and homeowners calculate floor areas, room sizes, and building footprints. It supports multiple shapes and converts between imperial and metric units automatically.

How to Use

  1. Select the shape of your space
  2. Enter the required dimensions
  3. Choose your preferred unit
  4. Click Calculate to see area and conversions

🧮 Area Formulas

Rectangle: Area = Length × Width
Circle: Area = π × Radius²
Triangle: Area = ½ × Base × Height
Trapezoid: Area = ½ × (Base1 + Base2) × Height

📊 Unit Conversions

FromToMultiply by
sq ftsq m0.0929
sq msq ft10.764
sq ftacres0.0000229

💡 Practical Use Cases

  • Flooring: Calculate material needed for tiles, carpet, or hardwood
  • Painting: Estimate paint coverage for walls and ceilings
  • Real Estate: Determine property square footage
  • Landscaping: Plan lawn, patio, or garden areas
  • Construction: Calculate building footprint for permits

❓ FAQ

How do I calculate area for irregular shapes?

Break the irregular shape into smaller regular shapes (rectangles, triangles), calculate each area separately, then add them together.

What's the difference between gross and net area?

Gross area includes everything within outer walls. Net area (usable area) excludes walls, columns, stairs, and mechanical spaces.

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Area Calculator • Architecture • Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the "About This Calculator" section for detailed information.