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.

Build my payoff plan →See live credit card APR & loan rates→
Most people start here
Updated May 19, 2026 · Fed G.19 · CFPB · Reg Z
  • Debt Payoff Calculator

    Plan a payoff for debt payoff calculator.

    →
  • Credit Card Payoff Calculator

    Plan a payoff for credit card payoff calculator.

    →
  • Debt Avalanche vs Snowball Calculator

    Plan a payoff for debt avalanche vs snowball calculator.

    →
  • Balance Transfer Savings Calculator

    Plan a payoff for balance transfer savings calculator.

    →

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

    Plan a payoff for debt payoff calculator.

    →
  • Debt-to-Income Ratio Calculator

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

    →
  • Credit Card Interest Calculator

    Plan a payoff for credit card interest calculator.

    →
  • Balance Transfer Savings Calculator

    Plan a payoff for balance transfer savings calculator.

    →
  • Personal Loan Calculator

    Plan a payoff for personal loan calculator.

    →
  • Collections Payoff Calculator

    Plan a payoff for collections payoff calculator.

    →
  • Student Loan Payoff Calculator

    Plan a payoff for student loan payoff calculator.

    →
  • Student Loan Forgiveness Calculator

    Plan a payoff for student loan forgiveness calculator.

    →
  • Car Loan Calculator

    Plan a payoff for car loan calculator.

    →
  • Business Loan Calculator

    Plan a payoff for business loan calculator.

    →
  • Business Loan Affordability Calculator

    Plan a payoff for business loan affordability calculator.

    →
  • Loan Comparison Calculator

    Plan a payoff for loan comparison calculator.

    →
  • Credit Score Impact Calculator

    Plan a payoff for credit score impact calculator.

    →
  • Credit Score Improvement Calculator

    Plan a payoff for credit score improvement calculator.

    →
  • Student Loan Refinance Calculator

    Plan a payoff for student loan refinance calculator.

    →
  • Student Loan IBR Calculator

    Plan a payoff for student loan ibr calculator.

    →
  • BNPL Comparison Calculator

    Plan a payoff for bnpl comparison calculator.

    →
  • Credit Card Payoff Calculator

    Plan a payoff for credit card payoff calculator.

    →
  • Credit Card Rewards Calculator

    Plan a payoff for credit card rewards calculator.

    →
  • Credit Utilization Calculator

    Plan a payoff for credit utilization calculator.

    →
  • Debt Avalanche vs Snowball Calculator

    Plan a payoff for debt avalanche vs snowball calculator.

    →
  • Debt Consolidation Calculator

    Plan a payoff for debt consolidation calculator.

    →
  • BNPL True Cost Calculator

    Plan a payoff for bnpl true cost calculator.

    →

Written and maintained by Jere Salmisto, Founder, CalcFi. Updated May 19, 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.