Free Area & Land Calculators
Instantly calculate area, convert units, and get accurate measurements for any project — no signup required.
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📏 Shape Area Calculators
Area Calculators
Calculate area for any shape — rectangle, circle, triangle, and more
Popular
Rectangle Area Calculator
Calculate area using length × width formula instantly
Square Area Calculator
Area of a square: side × side
Circle Area Calculator
Area = π × r² — enter radius or diameter
Triangle Area Calculator
½ × base × height formula with 3 input modes
Trapezoid Area Calculator
½ × (a + b) × h formula for trapezoids
Parallelogram Area Calculator
Base × height calculation
Ellipse Area Calculator
π × a × b formula for ellipses
Regular Polygon Area Calculator
Any regular polygon from triangle to octagon
Area & Perimeter Calculator
Get both area and perimeter in one calculation
🔄 Unit Converters
Area Unit Converters
Convert between square feet, acres, meters, yards, and more
🔥 Top
Square Feet to Acres
Instantly convert sq ft to acres (÷ 43,560)
🔥 Top
Acres to Square Feet
Convert acres to sq ft (× 43,560)
Sq Ft to Square Yards
Divide by 9 to convert sq ft to sq yards
Square Yards to Sq Ft
Multiply by 9 to get square feet
Sq Ft to Square Meters
Convert sq ft to m² (× 0.0929)
Square Meters to Sq Ft
Convert m² to sq ft (× 10.7639)
Acres to Hectares
× 0.404686 to convert acres to hectares
Hectares to Acres
× 2.471 to convert hectares to acres
Popular
Square Footage Calculator
Calculate total square footage of multiple rooms
Acreage Calculator
Calculate lot size in acres from dimensions
Lot Size Calculator
Calculate property lot size in multiple units
🏗️ Construction Calculators
Smart Construction Calculators
Practical tools for home improvement, landscaping, and construction projects
💸 High Value
Flooring Calculator
Calculate flooring needed with waste allowance
💸 High Value
Concrete Calculator
Calculate concrete volume in cubic yards/meters
Paint Coverage Calculator
How many gallons/litres to paint a room
Landscaping Area Calculator
Calculate mulch, soil, seed needed for gardens
Roofing Area Calculator
Calculate roof area in squares (100 sq ft)
Surface Area Calculator
Total surface area for 3D shapes
📖 Guides & Info
Learning Guides
Understand area calculations with step-by-step guides
How to Calculate Area
Complete guide with formulas for every shape
How Many Sq Ft in an Acre?
43,560 sq ft = 1 acre — explained + converter
Area Formula Reference
All area formulas in one place with examples