Money
Free, fast calculators for debt payoff, saving and investing, mortgages, and everyday budgeting. Every tool puts the form first — calculate now, read later.
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Debt Payoff
3 calculatorsCompare snowball vs avalanche, find your debt-free date, and check your debt-to-income ratio. Pick the right tool for one card or a whole list.
Saving & Investing
3 calculatorsBuild an emergency fund, set a savings goal, and see how compound interest grows your money over time. Plain-math savings tools, no products sold.
Mortgage & Home Buying
4 calculatorsSee what you can afford, model the monthly payment, compare rent vs buy, and find your mortgage payoff date. Every assumption shown, no signup.
All Money tools
Compound Interest Calculator
Project savings growth with contributions and interest.
finance50/30/20 Budget Calculator
Split take-home income into needs, wants, and savings targets.
financeCredit Card Payoff Calculator
Estimate payoff time, interest, and monthly credit card payoff schedules.
financeDebt Payoff Planner
Compare snowball and avalanche debt payoff schedules.
financeSavings Goal Calculator
Solve monthly savings, time, or rate needed to reach a target.
financeEmergency Fund Calculator
Estimate an emergency fund target from essentials and risk profile.
financeLoan Amortization Calculator
Build a printable loan amortization schedule with extra payments.
financeMortgage Payoff Calculator
Compare your current mortgage schedule with extra payments, lump sums, or biweekly acceleration.
financeDebt-to-Income Ratio Calculator
Calculate front-end and back-end debt-to-income ratios and compare them with lender guidelines.
financeNet Worth Calculator
Calculate net worth as assets minus liabilities, with optional local snapshots and no account.
financeMortgage Affordability Calculator
Estimate the max home price your income, debts, down payment, DTI target, and housing-cost assumptions can support.
financeInflation & Purchasing Power Calculator
Compare historical purchasing power using a BLS CPI-U snapshot, see annualized inflation, and project future dollars.
financeRetirement / FIRE Calculator
Estimate your FIRE number, Coast FIRE target, and Lean, Fat, or Barista FIRE timeline in today's dollars.
financeRent vs Buy Breakeven Calculator
Compare renting and buying with mortgage, tax, maintenance, appreciation, and investment-return assumptions to find the breakeven year.
financePaycheck Take-Home Pay Calculator
Estimate per-paycheck take-home pay from gross pay, 2026 US federal withholding, FICA, deductions, and manual state/local tax overrides.
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