- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
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Room Area Calculator (Square Feet & Square Meters)Calculate room area from length and width in feet or meters. Instantly convert between square feet and square meters for any room.
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Mulch Coverage CalculatorCalculate how many square feet a bag of mulch covers and how many bags you need based on area, depth, and bag size. Free landscaping tool.
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Square Footage of Walls in a Room Calculator (Wall Area + Drywall Sheets)Calculate how many drywall sheets you need for a room. Enter length, width and wall height, pick a sheet size, add waste — get total sheets fast.
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Circle Area from Diameter CalculatorFind the area of a circle from its diameter instantly. Uses A = πd²/4. Also shows radius and circumference. Fast, free, and accurate.
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Surface Area of a Square Pyramid CalculatorCalculate the total surface area of a square pyramid from its base edge and height. Includes base area, lateral area, and slant height instantly.
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Surface Area of a Rectangular Prism CalculatorCalculate the surface area of a rectangular prism (cuboid) from its length, width, and height using A = 2(lw + lh + wh). Free and instant.
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Surface Area of a Cone CalculatorCalculate the total surface area of a cone from its base radius and height. Get base area, lateral area, slant height and total area instantly.
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Square Footage CalculatorCalculate square footage instantly. Enter length and width in feet to get total area in square feet, square yards, and square meters.
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Square Centimeters to Square Meters ConverterConvert square centimeters (cm²) to square meters (m²) instantly. Just divide by 10,000. Free, accurate area unit converter with formula and examples.
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Square Feet to Cents ConverterConvert square feet to cents, the traditional Indian land area unit. 1 cent = 435.6 sq ft. Fast, accurate land area conversion for property in India.
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Acres to Square Yards ConverterConvert acres to square yards instantly. Enter any acreage and get the exact area in square yards using the factor 1 acre = 4,840 yd².
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45-45-90 Triangle Area CalculatorFind the area of a 45-45-90 right isosceles triangle from a leg or hypotenuse. Uses A = leg²/2 or hypotenuse²/4. Free and instant.
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30-60-90 Triangle Area CalculatorCalculate the area of a 30-60-90 right triangle from the short leg. Get area, long leg, hypotenuse, and perimeter instantly using A = (√3/2)·x².
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Square Kilometers to Square Miles ConverterConvert square kilometers (km²) to square miles (sq mi) instantly. Enter an area and get an accurate result using the factor 0.386102159.
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Square Miles to Acres ConverterConvert square miles to acres instantly. 1 square mile equals 640 acres. Fast, accurate area conversion for land, farming and real estate.
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Surface Area of a Cuboid CalculatorCalculate the surface area of a cuboid (rectangular box) from length, width and height using SA = 2(lw + lh + wh). Also shows volume and diagonal.
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Concrete Slab CalculatorCalculate concrete slab area and volume. Enter length, width, and thickness to get square feet, cubic feet, cubic yards, and bag estimates.
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Square Inches to Square Feet ConverterConvert square inches to square feet instantly. Enter in² and get ft² using the formula ft² = in² ÷ 144. Fast, accurate, and free.
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Square Feet to Square Inches ConverterConvert square feet to square inches instantly. Just multiply by 144. Fast, accurate area unit converter with formula and worked examples.
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Acres to Hectares ConverterConvert acres to hectares instantly. Enter any acreage and get the exact hectare value using the factor 1 acre = 0.40468564224 ha.
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Shaded Region Area Calculator (Circle in Square)Calculate the shaded area of a square with an inscribed circle removed. Enter the side length to get the leftover corner area instantly using A = s² − π(s/2)².
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Square Meters to Square Yards ConverterConvert square meters to square yards instantly. Enter an area in m² and get the equivalent in yd² using the exact 1.19599005 factor.
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Roof Area CalculatorCalculate the true surface area of a pitched roof from building footprint and pitch (rise/run). Get square feet and roofing squares instantly.
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Square Feet to Square Yards ConverterConvert square feet to square yards instantly. Divide ft² by 9 to get yd². Free, accurate area converter for flooring, carpet, and landscaping projects.