Stoichiometry & Process Calculation Tool Precision calculator for chemical engineering processes based on Narayanan’s methodology. Compute reactant ratios, product yields, and process efficiency metrics. Reaction Type CombustionChemical SynthesisThermal DecompositionAcid-Base Neutralization Primary Reactant Methane (CH₄)Propane (C₃H₈)Ethanol (C₂H₅OH)Hydrogen (H₂)Custom Formula Custom Chemical…

Likert Scale Standard Deviation Calculator Calculate standard deviation for your Likert scale data in Excel format Enter your Likert scale data (comma or space separated): Select your Likert scale type: 5-point scale (1-5)7-point scale (1-7)9-point scale (1-9)Custom scale Minimum scale…

BMI Calculator Calculate your Body Mass Index (BMI) using the standard formula Age Gender Male Female Height cmft Weight kglb Calculate BMI Your BMI Results 22.5 Normal weight Your BMI suggests you’re within the normal weight range for your height.…

Stock Standard Deviation Calculator Calculate the standard deviation of stock returns in Excel format Stock Price Data (comma separated) Time Period DailyWeeklyMonthlyYearly Sample Type Population Standard DeviationSample Standard Deviation Calculate Standard Deviation Mean (Average) Price: Variance: Standard Deviation: Annualized Standard…

Standard Form to General Form Circle Calculator Convert circle equations between standard and general forms with precise calculations and visual representation Center X-coordinate (h) Center Y-coordinate (k) Radius (r) Conversion Direction Standard Form → General FormGeneral Form → Standard Form…

Traverse Calculations PDF Generator Calculate traverse survey measurements with precision. Generate a downloadable PDF report with coordinates, distances, angles, and error analysis. Traverse Type Closed TraverseOpen Traverse Coordinate System Cartesian (X,Y)Polar (Distance, Angle) Starting Point Coordinates Initial Direction (Azimuth/Bearing) Traverse…

Horizontal Tank Standard Thickness Calculator Calculate the required shell and head thickness for horizontal cylindrical storage tanks based on API 650 standards. Enter your tank specifications below to determine the minimum thickness requirements for safe operation. Tank Diameter (ft) Tank…

Pneumatic Cylinder Force & Air Consumption Calculator Calculate pneumatic cylinder force, air consumption, and speed with precision. Download the complete formula PDF after calculation. Cylinder Bore Diameter (mm) Operating Pressure (bar) Stroke Length (mm) Cylinder Type Single-ActingDouble-Acting Friction Factor (%)…

Hyperbola Standard Form to General Form Calculator Convert hyperbola equations between standard and general forms with step-by-step results and visualization Hyperbola Type Horizontal Vertical Center (h, k) a value (distance to vertex) b value (conjugate axis length) Conversion Direction Standard…

Standard Deviation Calculator Calculate the standard deviation of your dataset using this interactive tool. Enter your data points below and click “Calculate” to see the results. Data Type PopulationSample Data Points Remove + Add Data Point Calculate Standard Deviation Results…