Estimate debt payoff months, total interest, total paid, and final payment from one balance, one interest rate, a regular payment, and any extra payment.
$10,000 at 12% with $400.00/mo
Real payoff can change with fees, penalty rates, skipped payments, settlement terms, collector rules, creditor agreements, court deadlines, or a changing rate.
See whether the payment is actually reducing principal.
Compare the same debt with and without an extra monthly payment.
Estimate interest before asking a creditor about a payment plan.
Check a simple payoff path before looking at consolidation or counseling.
29 months, about $1,564.88 interest, about $11,564.88 total paid, final payment near $364.88
36 months, about $1,859.55 interest, about $9,359.55 total paid
14 months, about $578.63 interest, about $5,578.63 total paid
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Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.
Use it when you want to test the exact inputs on this page: See whether the payment is actually reducing principal. Compare the same debt with and without an extra monthly payment. The result is a check against your assumptions, not proof that a lender, tax app, broker, platform, or provider will use the same number.
Debt balance means the current amount you still owe on the debt you are testing. Annual interest rate means the yearly rate as a percent, such as 12 for 12%, not 0.12. Monthly payment means the regular payment you can keep making each month. Extra monthly payment means extra money you can add on top of the regular payment without skipping other required bills.
No. This page tests one fixed balance at one rate. An avalanche or snowball plan needs separate debts, minimum payments, interest rates, and a payoff order.
If the payment does not cover the monthly interest, the balance can grow instead of shrink. The calculator stops so it does not show a fake payoff date.
In plain language: The calculator turns the annual rate into a monthly rate, adds one month of interest, subtracts the regular payment plus extra payment, and repeats until the balance reaches zero. $10,000 at 12% with a $300 regular payment plus $100 extra estimates 29 months, about $1,564.88 interest, about $11,564.88 total paid, and a final payment near $364.88.
Start with payoff months, then compare total interest and total paid. If the interest still feels too high, test a bigger extra payment or compare a consolidation offer.
This is a fixed-balance payoff model. It does not choose an avalanche order, settle debt, read a collector notice, include late fees, handle court deadlines, or replace advice from a qualified debt counselor. For debts in collections, settlement, hardship, court, or bankruptcy, use creditor paperwork, CFPB or FTC guidance, and a qualified nonprofit counselor or legal professional.
Check that the balance is current, the rate is annual, the monthly payment is realistic, and the extra payment will not make you miss rent, food, utilities, or other required bills.
Yes. It can give you a rough monthly-payment target before you ask about a payment plan. Still get any agreement in writing and check fees, collection status, and credit reporting.
Use the number as a planning estimate only. First confirm the debt, check your rights, avoid sharing sensitive information with an unknown caller, and watch for court or statute-of-limitations issues.
No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.