Financial Calculators
11 free interactive calculators to plan, model, and visualize your money.
Free compound interest calculator — model principal, rate, time horizon, and contribution frequency with a visual growth chart. No sign-up required.
Free federal income tax estimator — 2026 brackets, effective vs marginal rate, and deduction scenarios. No sign-up required.
Free savings goal calculator — set a target amount and timeline to see the exact monthly savings required. No sign-up required.
Free Roth IRA retirement projector — model annual contributions and tax-free growth through retirement age. No sign-up required.
Free paycheck calculator — estimate take-home pay from gross income after federal/state taxes and FICA. No sign-up required.
Free 50/30/20 budget planner — custom expense categories with real-time needs/wants/savings analysis. No sign-up required.
Free net worth tracker — list assets vs liabilities and see your net worth update in real time. No sign-up required.
Free loan calculator — principal, rate, and term to monthly payment and total interest. No sign-up required.
Free college cost and student loan calculator — project costs, repayment scenarios, and total interest. No sign-up required.
Free debt payoff calculator — compare avalanche vs snowball strategies with payoff timeline and interest saved. No sign-up required.
Free investment simulator — model portfolio growth across contribution and return scenarios with quant-based asset class assumptions. No sign-up required.
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Educational information only, not personalized financial, tax, or legal advice. No sign-up is needed to read lessons; a verified account is optional for saving progress.