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Free A-Z Online Calculators
  • Triangular Prism Surface Area Calculator
    Triangle Calculators

    Triangular Prism Surface Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Triangular Prism Surface Area Calculator Triangular Prism Calculator Surface Area & Volume for all Triangle Types. Right Triangle Equilateral Isosceles Scalene (3-Sides) Leg a (Height) Leg b (Base) Side Length (a) Base (b) Equal Side (a) Side a Side b Side c Prism Length (L) cmminft Total Surface Area — sq cm Lateral Area (Sides)…

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  • Quarter Circle Area Calculator
    Area Calculators

    Quarter Circle Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Quarter Circle Calc Quadrant Area, Perimeter & Centroid Solve By Radius (r)Diameter (D)Area (A)Arc Length (L) Radius (r) units Area — A = π·r² / 4 Total Perimeter — Arc + 2·Radii Arc Length — L = π·r / 2 Centroid (from corner) — X: –, Y: —   The Circle Area Calculator is a…

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  • Composite Area Calculator
    Area Calculators

    Composite Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Composite Area Builder Add & Subtract Shapes to Calculate Total Area Total Area Sum of all shapes 0.00 No shapes added yet.Click a button below to start building. Rectangle Triangle Circle Semicircle Trapezoid   Composite (or complex) area refers to the total area of a shape created by combining basic geometric figures—like rectangles, triangles, circles,…

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  • Wall Cladding Calculator
    Area Calculators

    Wall Cladding Calculator

    ByStephen December 28, 2025December 28, 2025

    Wall Cladding & Wallpaper Calculator Wall Covering Calculator Estimate Wallpaper, Paint, or Tiles needed. Wallpaper Paint Tiles Wall Dimensions Width (ft) Height (ft) Roll Dimensions (ft) x Pattern Repeat (in) Coverage (sq ft / gal) Coats Required Tile Size (in) x Grout (in) Unit Cost (Optional) $ Per Roll / Gallon / Tile box —…

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  • Vessel Surface Area Calculator
    Area Calculators

    Vessel Surface Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Vessel Surface Area & Volume Calculator Vessel Calculator Surface Area & Volume for Tanks & Vessels. Horizontal Vertical Tank Diameter (D) mftincm Shell Length (L) mftincm Head Type Flat EndsHemisphericalSemi-Elliptical (2:1)Torispherical (F&D) Total Surface Area — sq m Total Volume — cu m Shell Only — Heads (x2) —   In the rigorous field of…

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  • Tile Grout Calculator
    Area Calculators

    Tile Grout Calculator

    ByStephen December 28, 2025December 28, 2025

    Tile & Grout Calculator Tile & Grout Calculator Estimate tiles and grout needed for your project. Room Dimensions Length (ft) Width (ft) Tile Dimensions Length (in) Width (in) Grout Joint Width (in) 1/16″1/8″3/16″1/4″3/8″1/2″ Waste Override (%) Estimated Materials Total Room Area 120 sq ft Tiles Needed 120 Boxes Needed (est. 10/box) 12 Visual representation only…

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  • Subwoofer Cone Area Calculator
    Area Calculators

    Subwoofer Cone Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Subwoofer Cone Area Calculator Subwoofer Cone Area Calculate total cone area or compare two different setups. Single Setup Compare Two CONFIGURATION Subwoofer Diameter (inches) 8″ 10″ 12″ 15″ 18″ Quantity Total Cone Area 0.00 square inches (in²) SETUP A Diameter (in) 8″ 10″ 12″ 15″ Quantity SETUP B Diameter (in) 10″ 12″ 15″ 18″ Quantity…

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  • Parking Area Calculator
    Area Calculators

    Parking Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Parking Area Calculator Parking Area Calculator Lot Dimensions ft ft Parking Angle 90° 60° 45° Par Stall Type Standard (9′ x 18′)Compact (8′ x 16′)ADA / Accessible (8′ + 5′ Aisle)Custom Stall Width Stall Length One-Way Aisle Width ft Recommended: 90° (24′), 60° (16-18′), 45° (13-15′) Non-Usable Area (Deduced) sq ft Estimated Capacity 0 Parking…

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  • Oval Area Calculator
    Area Calculators

    Oval Area Calculator

    ByStephen December 28, 2025December 28, 2025

    Oval Area Calculator Oval Area Calculator Calculate area for Ellipses, Sport Stadiums, and Capsules. Type of Oval Ellipse Stadium Units Meters (m)Feet (ft)Centimeters (cm)Inches (in) Major Axis (a) Total length from end to end Minor Axis (b) Total width at center 0.00 Area (sq m) Formula (Ellipse):Area = π × (a/2) × (b/2)   The…

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  • Parallelogram Coordinates Calculator
    Area Calculators

    Parallelogram Coordinates Calculator

    ByStephen December 28, 2025December 28, 2025

    Parallelogram Calc 2D & 3D Coordinates (Area & Missing Point) Input Mode 3 Pts (Find D) 4 Pts (Verify) Dimensions 2D (XY) 3D (XYZ) A X Y Z B X Y Z C X Y Z D X Y Z Enter vertices A, B, C. We find D such that AB || DC. Load Demo…

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