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 June 4, 2026 · Fed G.19 · CFPB · Reg Z
  • Debt Payoff Calculator

    Plan a payoff for debt payoff calculator.

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  • Credit Card Payoff Calculator

    Plan a payoff for credit card payoff calculator.

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  • Debt Avalanche vs Snowball Calculator

    Plan a payoff for debt avalanche vs snowball calculator.

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  • Balance Transfer Savings Calculator

    Plan a payoff for 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.

23 calculators total

  • Payoff Strategy
  • Credit Cards & Rewards
  • Debt Consolidation & Transfer
  • Student Loans
  • Other Loans

Payoff Strategy

4

Avalanche vs snowball, DTI, total interest, collections.

  • Debt Payoff Calculator

    Plan a payoff for debt payoff calculator.

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  • Debt-to-Income Ratio Calculator

    Plan a payoff for debt-to-income ratio calculator.

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  • Collections Payoff Calculator

    Plan a payoff for collections payoff calculator.

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  • Debt Avalanche vs Snowball Calculator

    Plan a payoff for debt avalanche vs snowball calculator.

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Credit Cards & Rewards

6

APR cost, payoff timeline, rewards math, utilization, score impact.

  • Credit Card Interest Calculator

    Plan a payoff for credit card interest calculator.

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  • Credit Score Impact Calculator

    Plan a payoff for credit score impact calculator.

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  • Credit Score Improvement Calculator

    Plan a payoff for credit score improvement calculator.

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  • Credit Card Payoff Calculator

    Plan a payoff for credit card payoff calculator.

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  • Credit Card Rewards Calculator

    Plan a payoff for credit card rewards calculator.

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  • Credit Utilization Calculator

    Plan a payoff for credit utilization calculator.

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Debt Consolidation & Transfer

5

Balance transfer fees, consolidation rate, BNPL true cost.

  • Balance Transfer Savings Calculator

    Plan a payoff for balance transfer savings calculator.

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  • Loan Comparison Calculator

    Plan a payoff for loan comparison calculator.

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  • BNPL Comparison Calculator

    Plan a payoff for bnpl comparison calculator.

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  • Debt Consolidation Calculator

    Plan a payoff for debt consolidation calculator.

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  • BNPL True Cost Calculator

    Plan a payoff for bnpl true cost calculator.

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Student Loans

4

Payoff, forgiveness (PSLF/IDR), refi break-even.

  • Student Loan Payoff Calculator

    Plan a payoff for student loan payoff calculator.

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  • Student Loan Forgiveness Calculator

    Plan a payoff for student loan forgiveness calculator.

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  • Student Loan Refinance Calculator

    Plan a payoff for student loan refinance calculator.

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  • Student Loan IBR Calculator

    Plan a payoff for student loan ibr calculator.

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Other Loans

4

Personal, auto, business loan payment + affordability.

  • Personal Loan Calculator

    Plan a payoff for personal loan calculator.

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  • Car Loan Calculator

    Plan a payoff for car loan calculator.

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  • Business Loan Calculator

    Plan a payoff for business loan calculator.

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  • Business Loan Affordability Calculator

    Plan a payoff for business loan affordability calculator.

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Written and maintained by Jere Salmisto, Founder, CalcFi. Updated June 4, 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.