Enter multiple debt balances, APRs, minimum payments, and any extra monthly payment. Choose Debt Snowball or Debt Avalanche to estimate your payoff order, total interest, and how long it may take to become debt-free.
💳Build your payoff plan
Add up to 10 debts. All numeric fields start blank so the estimate reflects only the values you enter.
Region
Your debts
Enter the current balance, APR, and minimum monthly payment for each debt.
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🧭Payoff plan
Choose how the extra portion of your monthly budget is prioritized.
Monthly planning estimate: This calculator estimates repayment using a monthly model. Actual creditors may calculate interest daily, change minimum payments, apply fees, or use different payment-allocation rules. Results are for educational planning and are not financial, credit, legal, insolvency, or tax advice.
⚡How does a debt payoff calculator work?
It uses your balances, APRs, and minimum payments to estimate how many months multiple debts may take to repay. Any extra monthly payment goes toward the highest-APR debt with Avalanche or the smallest balance with Snowball; when a debt is paid, its freed payment capacity rolls forward. Enter a start month to see an estimated debt-free month.
🧭How to use this calculator
1. Add each debt with its current balance, APR, and minimum monthly payment.
2. Choose Debt Avalanche or Debt Snowball.
3. Enter any extra amount you can pay each month.
4. Optionally choose a start month to see calendar payoff estimates.
5. Calculate and review the payoff time, interest, and actual payoff order.
You can include credit cards, personal loans, auto loans, and other fixed-APR debts that fit this monthly model.
🔁How the monthly payoff model works
1. Estimated monthly interest is added to each unpaid balance.
2. Minimum payments are applied to active debts.
3. The remaining monthly budget goes to the selected priority debt.
4. If a debt is paid off, unused payment capacity can continue to the next debt in the same month.
5. The process repeats until all debts are paid or the 1,200-month support horizon is reached.
⚖️Debt Snowball vs Debt Avalanche
⚡ Debt Avalanche
Prioritizes:
Highest APR
Focus:
Interest cost
Keep minimum payments on every active debt and direct the remaining monthly budget to the highest-rate target. The target stays in focus until it is paid.
❄️ Debt Snowball
Prioritizes:
Smallest balance
Focus:
Earlier individual payoff milestones
Keep minimum payments on every active debt and direct the remaining monthly budget to the smallest-balance target. When it is paid, the payment capacity rolls forward.
Neither method is universally right for every person. This calculator lets you model either approach using the same monthly payoff budget.
🧮Debt payoff formula
FigureNorth uses a monthly planning model with cent-level payment accounting.
Monthly interest estimate
Opening balance × (APR ÷ 100) ÷ 12
Monthly payoff budget
Combined minimum payments + extra monthly payment
Strategy amount
Monthly budget − actual minimum payments
APR is entered as a percentage, such as 24 for 24%. Interest is estimated monthly and rounded to cents. Actual lenders and credit-card issuers may use daily rates, average daily balances, fees, and creditor-specific minimum-payment or allocation rules.
📝Worked example
Consider two debts starting in October 2026: a $2,000 credit card at 24% APR with a $75 minimum, and a $6,000 personal loan at 10% APR with a $150 minimum. The combined minimum is $225; add $200 extra per month and use Debt Avalanche.
Monthly payoff budget
$425.00
Estimated debt-free date
June 2028
Estimated total interest
$862.14
Estimated interest saved
$1,353.37
The estimated payoff takes 1 year 9 months. The payoff order is Credit card → Personal loan. Paying only each debt’s configured minimum, without redirecting freed payments, would take 4 years 1 month and incur $2,215.51 in estimated interest.
These example results use the same calculation rules as the interactive tool; the example is not prefilled into your inputs.
⚠️Assumptions and limitations
APR remains fixed throughout the estimate.
Configured minimum monthly payments remain fixed.
The original combined minimum-payment budget remains available after individual debts are paid.
The full extra monthly payment is assumed to be available every month.
No new purchases, future debts, late fees, annual fees, penalties, or promotional-rate changes are modeled.
Interest uses a monthly planning approximation rather than creditor statement-cycle or daily-balance accounting.
Actual payoff timing can differ; verify current balances, rates, fees, and account terms with each creditor.
FINRED — Debt Destroyeras a public planning reference for Avalanche, Snowball, and minimum-payment comparisons.
FigureNorth’s monthly event order, cent rounding, sticky-target behavior, rollover rules, and 1,200-month support boundary are explicit product-model choices, not creditor or regulator rules.
❓Frequently Asked Questions
🧮What is a debt payoff calculator?
It estimates how long multiple debts may take to repay from your balances, APRs, minimum payments, and any extra monthly payment. You can use Snowball or Avalanche to estimate interest, a payoff order, and your debt-free month when you enter a start month.
❄️How does the Debt Snowball method work?
Debt Snowball directs the strategy portion of the monthly budget to the smallest unpaid balance while minimum payments continue on other debts. The selected target stays in focus until paid, then its freed payment capacity rolls forward.
⚡How does the Debt Avalanche method work?
Debt Avalanche directs the strategy portion of the monthly budget to the unpaid debt with the highest APR while minimum payments continue on other debts. The selected target stays in focus until paid.
⚖️What is the difference between Snowball and Avalanche?
Snowball starts with the smallest balance and can produce earlier individual payoff milestones. Avalanche starts with the highest APR and generally emphasizes reducing interest cost. Both keep minimum payments on active debts; neither is universally right for everyone.
➕How do extra monthly payments affect debt payoff?
An extra monthly payment is added to the combined configured minimum payments. Directing that money to the selected target may shorten the estimated payoff time and reduce estimated interest; the exact result depends on your inputs.
🔁What happens when one debt is paid off?
The calculator keeps the original monthly payoff budget available. Unused payment capacity can move to another unpaid debt under the selected strategy, including in the same month a debt is paid off.
⏳How long will it take to pay off my debt?
The result shows the estimated number of months until all entered debts are paid. If you provide a plan start month, it also shows an estimated debt-free month; without one, it does not invent a calendar date.
💳Can I use this for credit card debt and personal loans?
Yes. You can enter credit cards, personal loans, auto loans, or other fixed-APR debts that fit the model, up to 10 debts total. Provide a balance, APR, and minimum monthly payment for each; creditor-specific payment rules are not modeled.
📅Why might my actual payoff date be different?
This is a monthly planning model. Creditors may calculate interest daily, change minimum payments as balances change, apply fees, or use different payment-allocation rules. New charges, missed payments, and rate changes can also affect actual results.
🌎What if minimum payments alone do not pay off my debts within the supported horizon?
The minimum-only comparison pays each debt its own configured minimum without redirecting payments from debts already paid off. If that baseline cannot finish within the supported 1,200 months, the selected strategy may still succeed, but no baseline interest-savings figure is shown.