Debt Payoff Calculator
Find out how long a fixed monthly payment takes to pay off a balance.
Try an example
32.6
About this calculator
What Is a Debt Payoff Calculator?
A debt payoff calculator estimates how long it will take to become debt-free and how much interest you will pay on the way. Enter your balances, interest rates and minimum payments, plus any extra money you can add each month, and it shows your payoff date and total interest. Seeing the finish line — and how much sooner a little extra gets you there — is one of the best motivators for tackling credit cards, student loans, car loans or personal loans.
How Debt Gets Paid Off
Each payment covers that month's interest first, and whatever is left reduces the principal. Because the next month's interest is calculated on the smaller balance, every extra dollar that goes toward principal saves interest for all the months that follow. That is why paying only the minimum can stretch a card balance over many years, while a modest extra payment can cut the time and cost sharply.
Worked Example
A $5,000 balance at 19.99% APR, paid down at $200/month, takes about 32.6 months (roughly 2 years 9 months) to pay off — with $1,520.62 in total interest, on top of the original $5,000.
Two Popular Payoff Strategies
- Debt avalanche: pay the minimum on every debt, and put all extra money toward the debt with the highest interest rate. This is the mathematically cheapest method because it removes the most expensive interest first.
- Debt snowball: put the extra money toward the smallest balance first, regardless of rate. You pay a little more interest overall, but each paid-off account gives you a quick win and frees up its payment, which many people find motivating enough to stick with the plan.
The better strategy is the one you will actually follow. Whichever you choose, keep paying the minimums on all other accounts so you do not trigger fees or credit damage.
Ways to Pay Debt Off Faster
- Make extra or one-time payments whenever you can, and tell the lender to apply them to principal.
- Switch to biweekly payments so you make one extra monthly payment per year.
- Consider consolidating or refinancing at a lower rate, if the fees do not cancel the savings.
- Check for early-payoff penalties before sending large amounts.
Why Debt Matters
Debt is a normal part of life — a mortgage or a student loan can be a sound investment — but high-interest balances eat into income, add stress and reduce your ability to save. Use the Loan Calculator to see what a single loan costs, and the Budget Calculator to find the extra cash for faster payments.
Worked example
A $5,000 balance at 19.99% APR with $200/month payments clears in about 32.6 months (2.7 years) — roughly $6,524 total, including about $1,524 in interest.
Frequently asked questions
Why does the calculator say my payment is too low?
If your payment doesn't exceed the first month's interest charge, the balance never shrinks — it can even grow. You'll need to raise the payment above that interest amount for any payoff plan to work.
Does paying more each month really make a big difference?
Yes, often dramatically — on a credit-card-rate balance, doubling your payment can cut both the payoff time and total interest by more than half, since less of the balance sits around accruing interest.
Does this assume the interest rate stays fixed?
Yes — it assumes a constant APR and a fixed payment every month with no new charges added. A variable-rate card or new purchases would change the real payoff time.
Is this the same as a loan payment calculator?
It solves the opposite problem — a loan calculator finds the payment for a fixed term; this finds how long a fixed payment takes to clear the balance.
