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Debt Payoff & Credit Calculator

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Compare debt snowball and avalanche payoff plans, see what paying only the credit card minimum really costs, and compute credit utilization and debt-to-income ratio

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About Debt Payoff & Credit Calculator

Four calculators for getting out of debt and understanding how lenders see it. The payoff planner simulates your debts under both the snowball method (smallest balance first) and the avalanche method (highest rate first) with the same extra monthly payment, and compares months to debt-free and total interest. The minimum-payment mode shows how long a credit card balance takes to clear, and what it costs, when you only pay a percent-of-balance minimum with a dollar floor. The two ratio modes compute credit utilization per card and overall, and debt-to-income from your monthly debts and gross income, each with the qualitative tier lenders and scoring guidance commonly use. Inputs stay in your browser.

How to use Debt Payoff & Credit Calculator

  • 1.Start with Snowball vs avalanche: list each debt with its balance, rate and minimum payment, add the extra amount you can pay each month, and compare the two plans.
  • 2.Use Minimum-payment payoff with your card's minimum formula to see the months and interest that paying only the minimum really costs.
  • 3.Check Credit utilization with each card's balance and limit; keeping overall utilization low generally helps credit scores.
  • 4.Run Debt-to-income with your monthly debt payments and gross monthly income before applying for a mortgage or loan.

Frequently asked questions

Snowball or avalanche: which is better?
Avalanche (highest rate first) always costs the same or less interest. Snowball (smallest balance first) clears individual debts sooner, which some people find easier to stick with. The planner shows both side by side so you can see the actual difference for your debts.
Why does paying the minimum take so long?
Minimums are usually a small percent of the balance, so as the balance falls the payment falls too and most of each payment goes to interest. The simulation shows the month-by-month effect.
What debt-to-income ratio do lenders want?
Common mortgage guidance treats 36% or less as comfortable and 43% as a typical upper limit for many loans, though lenders set their own thresholds. The tool labels your result with these common tiers.
Is this financial advice?
No. These are standard formulas and simulations on the numbers you enter; they do not know your lender's exact terms.
Why did an old Utilix tool page redirect me here?
Utilix merged several single-purpose tools into the Debt Payoff & Credit Calculator. Each old URL now opens this page with its mode preselected (via ?mode=<old-tool-slug>), so bookmarks and links keep working. The old tools' REST endpoints, Node.js and Python SDK functions, and MCP tools are unchanged.

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