Area Calculator
Calculate the area of any shape including rectangles, squares, circles, triangle...Calculate the area of any shape including rectangles, squares, circles, triangles, trapezoids, parallelograms, and irregular polygons. Supports square...
Area Formulas Reference
A = length x widthA = π x r²A = ½ x base x heightA = ½(b₁ + b₂) x heightA = base x heightA = π x a x b6 Shapes
Circle, rectangle, triangle, trapezoid, ellipse, parallelogram
7 Unit Conversions
Instant conversion to sq ft, sq m, acres, hectares and more
Real-Time Results
See area update as you type dimensions
Calculation History
Last 5 calculations saved locally for quick reference
Area Calculator Features
Calculate area of any shape
Why Use Area Calculator?
Multiple Shapes
Calculate area for rectangles, circles, triangles, trapezoids, parallelograms, and ellipses. All common shapes covered.
Unit Conversions
Enter measurements in any unit and get results in square feet, square meters, acres, hectares, and more.
Instant Results
Get accurate area calculations instantly. No complex formulas to remember - just enter your dimensions.
Real-World Applications
Perfect for room measurements, land plots, flooring, painting, landscaping, and construction projects.
Common Use Cases
Area calculations for every need
Home Renovation
Calculate room area for flooring, carpeting, or painting. Know exactly how much material you need to buy.
Land Measurement
Calculate plot sizes for real estate, farming, or landscaping projects. Convert between acres and square feet easily.
Construction Projects
Estimate material quantities for construction - concrete, roofing, siding, and more based on accurate area calculations.
Math & Education
Students can verify geometry homework and learn area formulas. Teachers can demonstrate concepts with instant calculations.
How It Works
Select Shape
Choose the shape you want to calculate - rectangle, circle, triangle, or other geometric shapes.
Enter Dimensions
Input the required measurements (length, width, radius, etc.) for your selected shape.
Choose Unit
Select your measurement unit - feet, meters, inches, centimeters, or yards.
Get Area Results
Click 'Calculate Area' to see results in multiple units including sq ft, sq m, acres, and hectares.
Pro Tips for Area Calculation
Measure Twice
Always double-check your measurements before calculating. Small measurement errors can lead to significant area miscalculations.
Add for Waste
When buying materials (flooring, paint, fabric), add 10-15% extra to your calculated area for waste, cuts, and mistakes.
Break Down Complex Shapes
For L-shaped or irregular rooms, divide into rectangles, calculate each separately, then add the areas together.
Document Measurements
Take photos or make sketches with dimensions. This helps when you need to recalculate or purchase additional materials.
Frequently Asked Questions
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