EVERY DEBT DECISION · WITH THE MATH SHOWN

Debt Calculators

Every money decision about what you owe. Payoff strategy, snowball vs avalanche, balance transfers, credit card interest — the math behind getting out.

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Updated May 8, 2026 · Fed G.19 · CFPB · Reg Z

  • Debt Payoff Calculator

    Free online debt payoff calculator.

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  • Credit Card Payoff Calculator

    Free online credit card payoff calculator.

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  • Debt Avalanche vs Snowball Calculator

    Free online debt avalanche vs snowball calculator.

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  • Balance Transfer Savings Calculator

    Free online balance transfer savings calculator.

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The average US credit card APR is 22%+. $5,000 on a card at 22% making only minimum payments takes 17+ years and costs another $7,000 in interest. The debt-avalanche method (highest APR first) minimizes total interest; the snowball method (smallest balance first) maximizes motivation. Every calculator uses the Truth in Lending Act (Regulation Z) amortization formula.

  • Debt Payoff Calculator

    Free online debt payoff calculator.

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  • Debt-to-Income Ratio Calculator

    Free online debt-to-income ratio calculator.

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  • Credit Card Interest Calculator

    Free online credit card interest calculator.

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  • Balance Transfer Savings Calculator

    Free online balance transfer savings calculator.

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  • Personal Loan Calculator

    Free online personal loan calculator.

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  • Collections Payoff Calculator

    Free online collections payoff calculator.

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  • Student Loan Payoff Calculator

    Free online student loan payoff calculator.

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  • Student Loan Forgiveness Calculator

    Free online student loan forgiveness calculator.

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  • Car Loan Calculator

    Free online car loan calculator.

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  • Business Loan Calculator

    Free online business loan calculator.

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  • Business Loan Affordability Calculator

    Free online business loan affordability calculator.

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  • Loan Comparison Calculator

    Free online loan comparison calculator.

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  • Credit Score Impact Calculator

    Free online credit score impact calculator.

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  • Credit Score Improvement Calculator

    Free online credit score improvement calculator.

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  • Student Loan Refinance Calculator

    Free online student loan refinance calculator.

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  • Student Loan IBR Calculator

    Free online student loan ibr calculator.

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  • BNPL Comparison Calculator

    Free online bnpl comparison calculator.

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  • Credit Card Payoff Calculator

    Free online credit card payoff calculator.

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  • Credit Card Rewards Calculator

    Free online credit card rewards calculator.

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  • Credit Utilization Calculator

    Free online credit utilization calculator.

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  • Debt Avalanche vs Snowball Calculator

    Free online debt avalanche vs snowball calculator.

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  • Debt Consolidation Calculator

    Free online debt consolidation calculator.

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  • BNPL True Cost Calculator

    Free online bnpl true cost calculator.

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Written and maintained by Jere Salmisto, Founder, CalcFi. Updated May 8, 2026.

Formulas and data sourced from Federal Reserve G.19 Consumer Credit release, CFPB debt-collection and credit-card guidance, and Truth in Lending Act (Regulation Z) formulas. Methodology at /about/editorial. Published by CalcFi Editorial.