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
Education
Calculators by Jehan Wadia
1-24 of 1152Free Fall Calculator
Calculate free fall time, velocity, and distance instantly. Easy-to-use physics calculator for gravity calculations with accurate results.
Open ConstructionLinear Feet Calculator
Use our free linear feet calculator to quickly convert measurements to linear feet. Perfect for lumber, fencing, flooring & construction projects.
Open GamingRoblox Tax Calculator
Calculate your Robux earnings after Roblox's 30% marketplace tax. Free online tool to determine actual profits from game passes, clothing & developer products.
Open FinanceSavings Bond Calculator
Compute current value, total interest, and YTD for Series I, EE, E bonds. Track multiple bonds with rate history, accrual dates, and return metrics.
Open TechnologyScreen Size Calculator
Free screen size calculator to find display dimensions, aspect ratio, and area. Convert between inches, cm, and pixels for TVs, monitors, and phones.
Open AudioSubwoofer Box Calculator
Calculate the perfect subwoofer box dimensions for sealed and ported enclosures. Get optimal volume, port length, and tuning frequency instantly.
Open SportsSwimming Pace Calculator
Calculate your swimming pace, split times, and race predictions. Free online tool for swimmers to plan training and estimate finish times for any distance.
Open LogisticsUSPS Shipping Calculator
Estimate USPS domestic and international shipping costs by ZIP code zone, package dimensions, and weight. Compare Priority Mail, Ground Advantage, and Flat Rate options with delivery dates.
Open Finance1099 Tax Calculator
Estimate federal, self-employment, and state tax on 1099 income. Enter mileage, expenses, and W-2 wages for QBI, credits, and quarterly payments.
Open Finance15 Year Mortgage Calculator
Calculate your 15-year mortgage payment with taxes, insurance, PMI, and HOA. View 180-payment amortization, APR estimate, equity chart and 30-year savings.
Open Sports1RM Calculator
Use our free 1RM calculator to estimate your one rep max for any lift. Enter your weight and reps to instantly calculate your max strength potential.
Open Finance2026 Tax Calculator
Estimate 2026 federal, state, and local income taxes live. Covers FICA, self-employment tax, CTC, EITC, bracket chart, step-by-step math, take-home pay.
Open Finance2nd Mortgage Calculator
Compare a fixed home equity loan to a HELOC. Enter home value, first mortgage balance, and rate to get CLTV, max borrowable amount, and payment schedule.
Open Engineering3 Phase Power Calculator
Calculate active, apparent, and reactive power for three-phase or single-phase systems. Find current from kW/kVA, voltage from power, power factor, and power angle with live chart.
Open Finance30 Year Mortgage Calculator
Calculate monthly mortgage payments with P&I, tax, insurance, HOA, and PMI breakdown. View amortization schedule, equity chart, and extra payment savings.
Open Math3d Graphing Calculator
Plot function, parametric, and implicit surfaces, space curves, and vector fields. Adjust colormaps, trace planes, animated parameters, and export PNG.
Open Finance4% Rule Calculator
Calculate annual, monthly, and weekly retirement withdrawals. See depletion year, required FIRE portfolio, sustainability status, and projection chart.
Open Finance401k Calculator
Use our free 401k calculator to estimate your retirement savings. Factor in employer match, contributions, and growth to maximize your 401k investments.
Open Finance401k Early Withdrawal Calculator
Calculate your 401k early withdrawal taxes, IRS penalty, and net payout. Covers Traditional and Roth accounts, penalty exceptions, and growth projections.
Open Finance401k Loan Calculator
Calculate 401(k) or 403(b) loan payments under the IRS 50% vested and $50,000 caps. Solve max loan from a payment, see amortization and retirement impact.
Open Finance401k Withdrawal Calculator
Estimate 401(k) taxes with 2026 federal brackets and 50-state rates. Includes 10% early penalty, 6 exceptions, net payout, and a Wait Until 59½ comparison.
Open Finance403b Calculator
Estimate your 403(b) growth with employer match, salary increases, and IRS contribution limits. Compare Roth vs traditional, view year-by-year projections.
Open Finance529 Calculator
Use our free 529 calculator to estimate your college savings growth. Plan contributions, project returns, and reach your education savings goals.
Open Sports5k Pace Calculator
Use our free 5K pace calculator to find your ideal race pace, split times, and finish time. Plan your next 5K run with accurate per-mile or per-km pacing.
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