Jehan Wadia

Author

Jehan Wadia

Chief Executive Officer

1172 calculators

8 areas of expertise

About

Jehan Wadia is a seasoned entrepreneur with a Bachelor of Applied Science (BASc) in Computer Science from the University of Ottawa. With expertise in both computer science and marketing, he has successfully blended technical innovation with strategic business insights. His background enables him to create solutions that leverage technology to solve complex problems, while his marketing acumen drives growth and customer engagement in competitive markets. Passionate about innovation, he excels at bridging the gap between technology and business.

Areas of expertise

Golf Marketing Finance Computer Science Data Science Physics Mathematics Business

Education

University of Ottawa

Bachelor of Applied Science - BASc, Computer Science

PVR Calculator

Compute pulmonary vascular resistance from MPAP, LAP, and pulmonary flow. Results in Wood Units and dynes. Supports mmHg, kPa, cmH2O, atm, and psi inputs.

Pythagorean Theorem Calculator

Find the hypotenuse or a missing leg with step-by-step solutions. Get exact radical form, angles, area, and perimeter. Verify right triangles.

QTc Calculator

Free QTc calculator to compute corrected QT interval using Bazett, Fridericia, and other formulas. Enter heart rate and QT interval for instant results.

Quadratic Formula Calculator

Free quadratic formula calculator to solve quadratic equations instantly. Enter coefficients a, b, and c to find roots, discriminant, and step-by-step solutions.

quartile calculator

Compute Q1, Q2, Q3, IQR, and outlier fences from raw, frequency, or grouped data. Includes box plot, sorted quartile positions, and step-by-step solution.

Open Construction

Quikrete Calculator

Estimate concrete volume in cubic yards, feet, and meters for slabs, columns, tubes, curbs, and stairs. Compare 40, 60, 80 lb bag counts with waste buffer.

Quilt Backing Calculator

Calculate quilt backing fabric yardage with overage, seam allowance, and bolt width inputs. Compares horizontal vs vertical seam layouts with a cutting diagram.

Radioactive Decay Calculator

Calculate radioactive decay, half-life, remaining quantity, and decay constant instantly. Free online radioactive decay calculator with step-by-step results.

Open Construction

Rafter Calculator

Use our free rafter calculator to find rafter length, pitch, rise, and run. Get accurate roof rafter measurements for your construction project instantly.

Open Technology

RAID Calculator

Calculate usable capacity, storage efficiency, and rebuild time for 10 RAID levels. Compare two RAID types side by side. Supports mixed or uniform drives.

Raise Calculator

Calculate your new salary after a raise or pay cut. See results across 6 pay periods, multi-year projections, growth charts, and rate comparisons.

Open Agriculture

Raised Bed Soil Calculator

Calculate exactly how much soil you need for your raised garden bed. Enter dimensions to get accurate soil volume in cubic feet, yards, and bags.

Open Construction

Ramp Slope Calculator

Calculate ramp slope, gradient, and angle easily. Enter rise and run to find ADA-compliant ramp ratios for wheelchair access, driveways, and more.

Range Calculator

Use our free range calculator to quickly find the range of any data set. Enter your numbers and instantly calculate the difference between max and min values.

Rate Of Change Calculator

Calculate rate of change instantly with our free online calculator. Find the ROC between two points, analyze trends, and understand data changes quickly.

Ratio Calculator

Free online ratio calculator to simplify ratios, solve for missing values, and compare proportions. Get instant, accurate results for any ratio problem.

Open Engineering

RC Filter Calculator

Calculate cutoff frequency, resistance, or capacitance for RC filters. Solve any missing value, snap to E-series standard parts, and view magnitude and phase Bode plots.

RD Calculator

Estimate RD maturity value, returns, and interest with step-by-step workings. Choose from 6 compounding frequencies. View growth breakdown and donut chart.

reading time calculator

Estimate reading time by pasting text or entering a word count. Choose silent or aloud mode, set custom WPM, and view word, character, and page stats.

Open Construction

Rebar Calculator

Use our free rebar calculator to estimate rebar quantity, spacing, weight, and cost for concrete projects. Plan your reinforcement needs accurately.

Recipe Calorie Calculator

Calculate per serving calories, macros, and nutrients for any recipe. Built-in food database with autocomplete. View ingredient breakdown and daily goal %.

Recipe Cost Calculator

Calculate ingredient, labor, and overhead costs per serving for any recipe. Supports unit conversion, waste %, profit margin, and multi-batch scaling.

Redundancy Calculator

Calculate statutory and uncapped UK redundancy pay with the 2026/27 £751 weekly cap. Enter age, service years, and weekly pay. Get a step-by-step solution.

Refinance Calculator

Use our free refinance calculator to estimate monthly savings, break-even point, and total interest saved. Make smarter mortgage refinancing decisions today.