Debt Payoff Calendar Calculator

How it works

A payoff calendar replays your debt one month at a time. Each month interest is added to the balance, your payment is subtracted, and whatever is left carries to the next month. Run that loop until the balance clears and the month count is the payoff length:

• B — the balance owed
• i — the monthly interest rate (APR ÷ 12)
• P — your monthly payment
• n — months until the balance is gone

With the defaults, an $8,000 balance at 18% APR paid at $350 a month clears in 29 months, about 2 years and 5 months, with roughly $1,870 going to interest. The year-by-year table shows why the balance barely moves at first: early payments are mostly interest, and the decline speeds up as the balance shrinks and less of each payment is eaten by interest.

✓ Every result is checked against independent reference math. See how we test the calculators →

A worked example: an $8,000 card at 18% APR

Picture a credit card carrying $8,000 at 18% APR. Send $350 toward it every month and you are debt-free by December 2028, about 29 payments from today.

Over those two years and five months you pay $9,870 in total, so $1,870 of that is pure interest on top of the $8,000 you borrowed. That interest line is the cost of stretching the balance out, and it is the number worth attacking.

Raise your monthly payment and the calendar shifts earlier while the interest shrinks. A larger check each month means less time for the balance to rack up charges. Drop in your real balance, rate, and payment to see your own debt-free date.

Move the date forward

• Raise the payment. Every dollar above the monthly interest lands on principal and pulls the finish date forward, often by more months than the increase itself.
• Attack the highest rate first. If you owe on several accounts, funnel spare cash to the highest APR while paying minimums on the rest.
• Stop charging on it. A balance you keep adding to is a moving target, so freeze new spending on the account while you work the calendar down.

Reading your payoff table

The year-by-year table is the payoff calendar in detail, and reading it makes the plan concrete instead of abstract.

• Paid so far. The running total you have handed over. It climbs steadily, but not all of it is reducing what you owe, which is where the next column comes in.
• Interest so far. The share of your payments that went to the lender rather than the balance. Early on this grows fast, then flattens as the balance shrinks.
• Balance left. The number that matters most. Watch how slowly it moves in the first year and how it drops faster later, as less of each payment is lost to interest.

That accelerating decline is the whole reason a payoff feels discouraging at first and then suddenly quick near the end. Seeing it laid out by year is often what keeps people paying through the slow opening stretch.

A lower rate versus a bigger payment

Two levers pull the finish date closer, and the table lets you see which does more for your situation. A bigger payment attacks the balance directly, while a lower rate shrinks the interest that slows you down.

• A bigger payment always helps. Every dollar above the monthly interest lands on principal, so raising the payment is the most reliable way to move the date, often by more months than the increase seems to warrant.
• A lower rate helps most when the rate is high. Moving an 18% or 22% balance to a low-rate personal loan or a 0% balance transfer can cut months off, because less of each payment is eaten by interest. On an already-cheap loan, a rate cut barely matters.
• Combine them when you can. Transfer to a lower rate and keep paying the old, higher amount, and both levers work at once.

Try raising the payment here, then try lowering the APR, and compare the two dates to see which lever your particular balance responds to most.

Turn the date into a plan you follow

A payoff date is only useful if it changes what you do each month. Once the calendar shows a real finish line, put a few habits around it.

• Automate the payment. Set the monthly amount to draft automatically so the plan runs whether or not you think about it, and a busy month never becomes a missed one.
• Re-run it after any windfall. A tax refund or bonus dropped on the balance can jump the date forward. Enter the new balance to see how much time you just bought.
• Mark the milestones. Note the year boundaries from the table on your calendar so you can check you are on pace, and treat each one as a real chunk of the balance gone.

Checked once a quarter and adjusted when life changes, the calendar turns a vague someday into a date you can actually plan around.