Semicircle Calculator Calculate Area, Perimeter, Radius, or Diameter. Solve by Knowing: Radius (r)Diameter (d)Circumference / Arc Length (L)Total Perimeter (P) Radius (r) Diameter (d) Arc Length (L) Total Perimeter (P) Select Unit mcmftin Calculate Area — Perimeter (Total) — Arc Length — A semi‑circle is half of a full circle. You see this shape in…
Free Area Calculator HVAC Louvers & Smoke Ventilation (NFA) HVAC Louver (Geometric) Smoke Vent (Aerodynamic) Input Units Inches (in)Millimeters (mm) Width (W) Height (H) Free Area Ratio (%) Typical: 35–60%. Manufacturer spec. Velocity / Airflow (Optional) Calculate — ft² — m² In many engineering, construction, and design projects, surfaces are not always solid. Some sheets,…
Body Surface Area (BSA) Metric (cm/kg) Imperial (ft/lb) Height (cm) Weight (kg) Mosteller (Primary) 0.00 m² Du Bois 0.00 m² Haycock 0.00 m² Gehan & George 0.00 m² Visual representation relative to average adult (1.9 m²) In healthcare and medical science, doctors often need more than just a patient’s weight. Many treatments, drug doses, and…
Flat Area Calculator Calculate total apartment area room-by-room. Feet (sq ft) Meters (sq m) + Add Room Total Flat Area: 0 sq ft When you measure the size of a room, a floor, a piece of land, or any flat surface, you are actually measuring its area. Area tells you how much space is inside…
Bathroom Area Calculator Calculate bathroom floor, wall, or ceiling area and estimate tile needs. 1. Room Dimensions Floor Walls (All 4) Ceiling Shower Zone Only 2. Deductions (Obstacles) + Door (21 sqft) + Window (12 sqft) Additional Deduction (sqft) 3. Material Tile Size Pattern Grid (Straight)Diagonal Waste % Unit Price (optional, per tile) Calculate Total…
Base Area Calculator Calculate “B” for volume formulas ( V = B × h ) by selecting the base shape. Select 3D Solid / Base Shape Cylinder / Cone (Circle Base)Rectangular Prism / Pyramid (Rect Base)Square Pyramid / Cube (Square Base)Triangular Prism / Pyramid (Tri Base) Radius (r) Length (l) Width (w) Side Length (s)…
Polar Area Calculator Calculate area under r(θ). Polar Function r(θ) Cardioid Rose Petal Spiral Circle Limits of Integration (θ) Start (a) End (b) Note: Use 6.28 for 2π. Variable name must be theta. Calculate Area AREA — In basic geometry, we usually measure area using shapes like squares, rectangles, and circles. These shapes are described…
Circular Segment Area Calculator Area and parameters of a circular segment using different known values. Calculation Mode Area from Radius & ChordArea from Radius & HeightHeight from Area & RadiusRadius from Area & Height Radius (R) Chord Length (c) Radius (R) Segment Height (h) Segment Area (A) Radius (R) Segment Area (A) Segment Height (h)…
Draw Area Calculator Measure the area of any shape by drawing it. Scale / Unit 1 px = 1 px1 px = 0.01 cm1 px = 0.001 m Area Result — px² — unit² Clear Drawing Not every area you want to measure has a neat square or rectangular shape. Gardens, land plots, floor plans,…
Burn Surface Area (TBSA) Calculator Estimate total body surface area burned using clinical methods. Calculation Method Rule of Nines (Adult)Palmar / Palm MethodLund–Browder ChartBaux Score Head & Neck (%) Each Arm (%) Anterior Trunk (%) Posterior Trunk (%) Each Leg (%) Number of Patient Palms Each palm ≈ 1% TBSA Patient Age Group InfantChildAdult Burned…