Geometry

  • 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.
  • Regular Polygon Area Calculator
    Calculate the area of any regular polygon from its number of sides and side length. Also returns apothem, perimeter, and interior angle instantly.
  • 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.
  • Aquarium Volume Calculator
    Calculate aquarium volume in gallons and liters from length, width, and height. Works with inches or centimeters for any rectangular fish tank.
  • 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.
  • Arc Length from Degrees Calculator
    Calculate the arc length of a circle from its radius and central angle in degrees. Also shows radians and full circumference instantly.
  • 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.
  • Cubic Feet to Cubic Yards Calculator
    Convert cubic feet (ft³) to cubic yards (yd³) instantly. Just divide by 27. Free, accurate volume converter for concrete, mulch, gravel and soil.
  • Cubic Meters to Cubic Feet Calculator
    Convert cubic meters (m³) to cubic feet (ft³) instantly. Enter a volume in m³ and get the exact ft³ result using the factor 35.3147.
  • Pints to Cups Converter
    Convert pints to cups instantly. Uses US measure (1 pint = 2 cups). Enter pints and get the exact number of cups for cooking and recipes.
  • Milliliters to Liters Converter
    Convert milliliters (mL) to liters (L) instantly. Enter any volume in mL and get the exact result in liters using L = mL / 1000.
  • Liters to Milliliters Converter
    Convert liters (L) to milliliters (mL) instantly. Enter a volume in liters and get the exact equivalent in mL using mL = L × 1000.
  • Cubic Feet to Cubic Meters Calculator
    Convert cubic feet (ft³) to cubic meters (m³) instantly. Enter any volume and get an accurate m³ result using the factor 1 m³ = 35.3147 ft³.
  • Quarts to Gallons Converter
    Convert quarts to gallons instantly. Enter any quart value to get US gallons using the simple formula gallons = quarts ÷ 4.
  • Trench Volume Calculator
    Calculate trench excavation volume in cubic yards, cubic feet and cubic meters from length, width and depth. Free, fast and accurate.
  • Oil Tank Volume Calculator
    Calculate how many gallons of heating oil are in a horizontal cylindrical tank from the diameter, length, and stick/dip fill depth.
  • Aquarium Volume Calculator
    Calculate your fish tank volume in US gallons and liters from length, width, and height in inches. Free, instant aquarium capacity calculator.
  • Right Triangle Perimeter from Two Legs Calculator
    Find the perimeter of a right triangle from its two legs. Enter leg a and leg b to get the hypotenuse and total perimeter instantly.
  • Pentagon Perimeter Calculator
    Calculate the perimeter of a regular pentagon instantly using P = 5s. Enter one side length and get the total perimeter in any unit.
  • Rhombus Perimeter Calculator
    Calculate the perimeter of a rhombus instantly with P = 4a. Enter the side length and get the total perimeter in any unit. Free and accurate.
  • Milliliters to Fluid Ounces Converter
    Convert milliliters (mL) to US fluid ounces (fl oz) instantly. Enter a volume and get an accurate mL to oz conversion using the 29.5735 factor.

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