- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
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Roof Shingles CalculatorCalculate how many shingle bundles and roofing squares you need. Enter roof dimensions and waste % to estimate materials for your roofing project.
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Area of a Triangle (Base × Height) CalculatorCalculate 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.
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Area of a Rhombus from Diagonals CalculatorCalculate the area of a rhombus instantly from its two diagonals using A = (d₁ × d₂) / 2. Free, accurate, and easy to use.
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Area of a Trapezoid CalculatorCalculate the area of a trapezoid instantly from its two parallel bases and height using A = ((a + b) / 2) × h. Free, fast and accurate.
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Area of a Square CalculatorCalculate the area of a square instantly with side length using A = s². Also shows perimeter and diagonal. Free, fast, and accurate geometry tool.
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Area of a Parallelogram CalculatorCalculate the area of a parallelogram instantly using base and height with the formula A = b × h. Free, accurate, and easy-to-use geometry tool.
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Carpet Area CalculatorCalculate how many square yards of carpet you need from room length and width in feet, with an optional waste allowance for cuts and seams.
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Tile Area CalculatorCalculate 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.
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Annulus (Ring) Area CalculatorCalculate the area of an annulus (ring) from its outer and inner radii using A = π(R² − r²). Also shows ring width and circumferences.
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Bigha to Square Feet CalculatorConvert 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.
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Marla to Square Feet CalculatorConvert Marla to square feet instantly. 1 Marla = 272.25 ft². Also shows square yards and square meters for land area in Pakistan and India.
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Area of a Trapezoid CalculatorCalculate the area of a trapezoid instantly from its two parallel bases and height using A = ½(b₁ + b₂)·h. Free, fast, and accurate.
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Square Yards of a Rectangle CalculatorConvert a rectangle's length and width in feet to square yards instantly. Enter dimensions to get area in square yards and square feet.
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Circumference to Area CalculatorConvert a circle's circumference to its area instantly with A = C²/(4π). Also shows radius and diameter. Free, accurate geometry calculator.
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Area from Radius CalculatorCalculate the area of a circle from its radius using A = πr². Also returns diameter and circumference instantly. Free, accurate circle area tool.
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Total Square Footage Calculator (Multiple Rooms)Add up the square footage of multiple rooms at once. Enter each room's length and width to get total square feet, square yards, and square meters.
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Floor Area CalculatorCalculate floor area and square footage instantly. Enter length and width to get area in square feet, square meters, and square yards.
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Area Between Two Curves CalculatorCompute the area between two curves f(x) and g(x) over an interval [a,b] using definite integration of |f−g|. Handles crossings automatically.
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Roof Pitch Area Multiplier CalculatorCalculate actual roof surface area from footprint and pitch. Find the slope multiplier factor for any rise/run pitch like 6/12 or 12/12 instantly.
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Gravel Coverage Area CalculatorCalculate how much gravel you need for a project. Enter area, depth, and density to get volume in cubic feet, cubic yards, and tons.
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Perimeter of an L-Shape CalculatorCalculate the perimeter of an L-shaped figure from its overall outer width and height using P = 2 × (a + b). Fast, free, and accurate.
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Epoxy Resin Coverage CalculatorCalculate how much epoxy resin you need for any project. Enter length, width, and coating thickness to get volume in fluid ounces and gallons, with overage.
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Fertilizer Coverage CalculatorCalculate how much fertilizer you need for any lawn or garden area using the application rate and product coverage. Fast, free, and accurate.
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Ceiling Area CalculatorCalculate ceiling area in square feet from length and width. Get square footage plus square meters and square yards for paint or tile estimates.
