Designing or setting up an RC airplane requires more than just good looks; it requires precise aerodynamic calculations Advanced Wing Area & CG Calculator Wing Designer Area, MAC, & CG Calculator Imperial (in, oz) Metric (mm, g) Main Wing Panels + Add Tail & Fuselage Root Tip Span (Half) Sweep Tail Distance (Wing Root LE…
Effective Projected Area (EPA) Calculator EPA Calculator (Advanced) Calculate EPA for Structural Shapes & Signs Imperial (ft, lbs) Metric (m, N) Structure & Components + Add Component Wind Conditions Wind Speed (mph) Gust Factor (G) System Stack (Frontal View) WIND FLOW Total Projected Area — sq ft Total EPA ($Area \times C_d$) — sq ft…
Circle Area Calculator — Area, Circumference, Radius & Diameter Circle Area Calculator Compute area, radius, diameter, and circumference instantly. Supports multiple units, detailed steps, and interactive visualizations. What do you want to find? Auto-detect (fill any field)Find properties using RadiusFind properties using DiameterFind properties using CircumferenceFind properties using Area Radius mcmmmkminftyd Ft + In Helper…
Remember that one formula from school that actually stuck? “One-half base times height.” It sounds simple, but when you’re standing in your backyard trying to figure out how much plywood you need for a shed roof, the math can get a little fuzzy. That is exactly why we built this calculator. Whether you’re a student,…
Square Area Calculator Square Area Calculator Compute area from side, or find side from area, diagonal, or perimeter. Calculation Mode Find Area (from Side)Find Side (from Area)Find Side (from Diagonal)Find Side (from Perimeter) Side Length (s) mcmmmftinyd Set Area (A) m²cm²ft²in²ac Precision 234 Calculate Reset Result – Conversions Ever found yourself staring at a box…
Rectangle Area Calculator Rectangle Area Calculator Calculate area, length, or width. Supports Metric, Imperial (ft+in), and other units. Calculation Mode Calculate Area (Length × Width)Find Width (requires Area & Length)Find Length (requires Area & Width) Length (l) mcmmmftinyd ft + in Use Width (w) mcmmmftinyd ft + in Use Area (A) m²cm²ft²in²yd² Precision 234 Calculate…