Area Calculators

  • Window Area Calculator

    Window Area & Decor Calculator Window Area Calculator Construction Requirements & Decor Planning Construction & Vent Curtains & Blinds Window Shape RectangleArch (Round Top)Circle Width (cm) Height (cm) Frame (cm) Openable % Room Floor Area (Optional) Checks 8% Light / 5% Vent rules (IBC/BCA). Curtains Blinds Window Width (cm) Rod Overhang (cm) Fullness 1.5x (Std)2.0x…

  • Quadrilateral Area Calculator

    Quadrilateral Area Calculator Quadrilateral Area Calculator Calculate area of general quadrilaterals using Coordinates, Diagonals, Side lengths with Split/Diagonal, or Bretschneider’s formula. Calculation Mode Coordinates (Shoelace)Diagonals + Included Angle4 Sides + Diagonal (Heron Split)Bretschneider (Sides + Angle Sum)Vectors (Adjacent Sides) Enter 4 vertices in order. Unit mcmmmftin Diagonal d1 mcmftin Diagonal d2 mcmftin Angle between Diagonals…

  • Reverse Area Calculator

    Reverse Area Calculator Reverse Area Calculator Find dimensions from known Area. Select Shape SquareCircleRectangleTriangleParallelogram Total Area sq units Known Dimension Resulting Dimension — Perimeter — — — Calculates missing dimensions assuming standard geometric formulas.   In most math problems, you measure the side lengths to find the area. But in the real world, the problem…

  • Rectangular Prism Calculator

    Rectangular Prism Surface Area Calculator Rectangular Prism Calc Calculate Surface Area & Volume with visual geometric nets. Dimensions Length (l) Width (w) Height (h) Unit Inches (in)Feet (ft)Centimeters (cm)Meters (m)Millimeters (mm) Subtract Obstacles (e.g., Missing Paint Points) Exclusions (Windows/Doors) + Add Exclusion 3D Solid Unfolded Net Front Back Right Left Top Bottom Total Surface Area…

  • Lot Area Calculator

    Lot Area Calculator Lot Area Calculator Measure Land, Irregular Lots & Check Zoning Coverage Regular Shape Irregular (Deed) Lot Shape Rectangle / SquareCircularTriangle Divide your lot into triangles (using diagonal measurements) and enter sides for each. + Add Another Triangle Input Unit Feet (ft)Meters (m)Yards (yd) TOTAL LOT AREA 0 0 Acres | 0 Hectares…