I spent nearly two years laying up composite parts bound for SpaceX rockets, the Boeing V-22, and the 737 MAX, where a misread spec is not an option. Then I earned a mathematics A.S. and an economics B.A. Now I point that same discipline at financial models: build them carefully, then check the math.
Free, no sign-up, and everything runs in your browser so your numbers stay private. Every engine is checked against the standard closed-form financial formulas.
Your salary is not your paycheck. See gross-to-net with federal brackets, Social Security, Medicare, and pre-tax 401(k) and HSA deductions.
Open calculator →See what your money becomes. Model contributions, compounding, and expected return with a live growth chart and inflation-adjusted totals.
Open calculator →Know the real cost of borrowing. Monthly payments, total interest, PMI, and a full amortization schedule, plus what extra payments save you.
Open calculator →Understand a car lease. See how depreciation, the money factor, and residual value shape your monthly payment, due at signing, and total cost.
Open calculator →Should you rent or buy? Compare your net worth over time for each path, including what your down payment could earn if you invested it instead.
Open calculator →Get out of debt on a plan. Compare the snowball and avalanche methods side by side and see exactly which debt to attack first.
Open calculator →Know where you stand. Categorize what you own and owe, check your health ratios, and save snapshots to watch your progress over time.
Open tracker →Give every dollar a job. Build a 50/30/20 or zero-based budget with editable targets and a live picture of where your money goes.
Open calculator →If you're hiring for financial analysis, want to build something together, or just want to talk shop about the tools and the math behind them, I'd like to hear from you.