Square Footage Calculator
Calculate area of rectangles, squares, circles, and triangles. Perfect for construction, flooring, painting, and landscaping projects.
Comprehensive Area Calculations
Calculate square footage for any shape with professional accuracy
Rectangle Area
Calculate area using length × width formula
Square Area
Calculate area using side × side formula
Circle Area
Calculate area using π × radius² formula
Triangle Area
Calculate area using base × height ÷ 2 formula
How Our Square Footage Calculator Works
Simple steps to get accurate area measurements for your projects
Select Shape
Choose from rectangle, square, circle, or triangle
Enter Dimensions
Input required measurements in feet, inches, or meters
Get Results
Instant calculations with multiple unit conversions
Unit Conversions
Convert between square feet, square meters, and acres
Perfect for Every Project
Essential tool for construction, renovation, and landscaping projects
Construction & Renovation
- • Flooring Installation: Calculate exact material needed for hardwood, laminate, tile, or carpet with waste factor considerations
- • Paint Coverage: Determine paint quantity needed for walls and ceilings with accurate square footage measurements
- • Room Layout Planning: Optimize furniture placement and space utilization with precise area calculations for different room configurations
- • Foundation Work: Calculate concrete and foundation requirements for new construction or additions with accurate area measurements
- • Roofing Calculations: Estimate roofing material needs including shingles, underlayment, and flashing based on total roof area
Landscaping & Outdoor
- • Lawn Care: Calculate fertilizer, seed, and treatment needs based on total lawn area for optimal coverage and cost estimation
- • Garden Planning: Design garden layouts and calculate planting areas for vegetables, flowers, and landscaping features with precise measurements
- • Patio & Deck Design: Plan outdoor living spaces with accurate square footage for furniture, grilling, and entertainment areas
- • Drainage Solutions: Calculate water runoff and drainage requirements for proper landscape grading and flood prevention systems
- • Tree & Shrub Placement: Optimize planting locations and calculate mature growth space requirements for long-term landscape planning
Real Estate & Property
- • Property Valuation: Calculate total property value based on livable square footage and local market rates per square foot
- • Rental Income: Estimate potential rental income from property improvements and additional living spaces with accurate area calculations
- • Insurance Coverage: Determine adequate coverage based on total square footage and replacement costs for comprehensive property protection
- • Space Optimization: Maximize usable square footage for storage, work areas, and living spaces with efficient layout planning
- • Investment Analysis: Calculate return on investment for property improvements and additions based on increased square footage and market value
Why Choose Our Square Footage Calculator?
Professional-grade calculations with comprehensive features
Multiple Shapes
Calculate area for rectangles, squares, circles, and triangles in one tool
Unit Flexibility
Work with feet, inches, yards, and meters with instant conversions
Professional Results
Accurate calculations with detailed breakdowns and cost estimations
Free & Fast
No registration required with instant results and mobile-friendly interface
Start Calculating Square Footage Now
Free, accurate, and instant area calculations for all your projects
Calculate Square Footage