Area Calculator

  • Area of a Trapezoid Calculator
    Calculate the area of a trapezoid instantly from its two parallel bases and height using A = ½(b₁ + b₂)·h. Free, fast, and accurate.
  • Square Yards of a Rectangle Calculator
    Convert a rectangle's length and width in feet to square yards instantly. Enter dimensions to get area in square yards and square feet.
  • Circumference to Area Calculator
    Convert a circle's circumference to its area instantly with A = C²/(4π). Also shows radius and diameter. Free, accurate geometry calculator.
  • Area from Radius Calculator
    Calculate the area of a circle from its radius using A = πr². Also returns diameter and circumference instantly. Free, accurate circle area tool.
  • Area of a Square Calculator
    Calculate the area of a square instantly with side length using A = s². Also shows perimeter and diagonal. Free, fast, and accurate geometry tool.
  • Area of a Triangle (Base × Height) Calculator
    Calculate the area of any triangle from its base and height using A = ½ × b × h. Fast, free, and accurate for geometry, math homework, and design.
  • Area of a Trapezoid Calculator
    Calculate the area of a trapezoid instantly from its two parallel bases and height using A = ((a + b) / 2) × h. Free, fast and accurate.
  • Area of a Rhombus from Diagonals Calculator
    Calculate the area of a rhombus instantly from its two diagonals using A = (d₁ × d₂) / 2. Free, accurate, and easy to use.
  • Area of a Parallelogram Calculator
    Calculate the area of a parallelogram instantly using base and height with the formula A = b × h. Free, accurate, and easy-to-use geometry tool.
  • Tile Area Calculator
    Calculate how many tiles you need for a floor or wall. Enter room and tile dimensions plus a wastage allowance to get the exact tile count.
  • Carpet Area Calculator
    Calculate how many square yards of carpet you need from room length and width in feet, with an optional waste allowance for cuts and seams.
  • Drywall / Sheetrock Area Calculator
    Calculate how many drywall (sheetrock) sheets you need. Enter wall perimeter, height, and sheet size to get total wall area and sheet count.
  • Annulus (Ring) Area Calculator
    Calculate the area of an annulus (ring) from its outer and inner radii using A = π(R² − r²). Also shows ring width and circumferences.
  • Marla to Square Feet Calculator
    Convert Marla to square feet instantly. 1 Marla = 272.25 ft². Also shows square yards and square meters for land area in Pakistan and India.
  • Bigha to Square Feet Calculator
    Convert Bigha to square feet (ft²) for Indian land area. Pick your region's Bigha standard or set a custom factor. Also shows acres and square meters.
  • Body Surface Area (Mosteller) Calculator
    Calculate body surface area (BSA) in m² using the Mosteller formula from your height (cm) and weight (kg). Fast, accurate, and free.
  • Carpet Area to Built-up Area Calculator
    Convert carpet area to built-up and super built-up area using loading and common-area factors. Free real-estate floor-area calculator.
  • Heron's Formula Calculator
    Find the area of any triangle from its three side lengths using Heron's formula. Free calculator showing area, semi-perimeter and perimeter instantly.
  • Pizza Slice Calculator
    Calculate the area and crust length of each pizza slice from the radius and number of equal slices using circular sector geometry. Free and instant.
  • Square Centimeters of a Rectangle Calculator
    Calculate the area of a rectangle in square centimeters (cm²) instantly. Enter length and width in cm to get the area using A = l × w.
  • Square Inches of a Rectangle Calculator
    Calculate the area of a rectangle in square inches by multiplying length × width. Instant results plus a square-feet conversion.
  • Square Feet per Gallon Paint Calculator
    Find out how many gallons of paint you need. Enter wall area, coverage per gallon, and coats to get the exact amount of paint to buy.
  • Wall Tile Calculator
    Calculate how many wall tiles you need for a backsplash or feature wall. Enter wall size, tile size, and waste % to get the exact tile count.
  • Square Footage Calculator
    Calculate square footage from length and width in feet. Get instant area in sq ft, square yards, and square meters for any room or space.

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