Debt Snowball Calculator
Build a month-by-month payoff plan by paying minimums on every debt and putting extra money toward the smallest remaining balance.
Debt Snowball Method Summary
A debt snowball plan keeps every account current, then targets the smallest balance first. The table below is the method this calculator uses before showing the payoff order and monthly schedule.
| Step | Calculator method | Why it matters |
|---|---|---|
| List debts | Enter each current balance, APR, and required minimum payment. | The calculator needs the real payoff base before it can model rollover payments. |
| Sort by balance | Positive balances are ordered from smallest to largest. | The snowball method prioritizes early account payoffs and visible progress. |
| Pay minimums | Every active debt receives at least its minimum payment each month. | Skipping minimums can trigger fees, credit damage, and collection risk. |
| Attack smallest debt | Any extra monthly payment goes to the smallest remaining balance. | When that debt is paid off, its freed payment rolls into the next debt. |
| Estimate timeline | Monthly interest is applied from APR / 12, then payments reduce balances. | The output is an educational plan, not a lender payoff quote. |
Official debt planning sources
Use this calculator for planning. For debt collection rights, hardship programs, or settlement decisions, verify details with official consumer resources or a qualified counselor.
Your Debts
Extra Monthly Payment
This amount will be applied to your smallest debt after minimum payments
Current total monthly payment: $750.00
Debt-Free Timeline
Payoff Order (Smallest First)
Current Snapshot
About This Calculator
Calculate a debt snowball payoff plan with balances, APRs, minimum payments, extra monthly payment, payoff order, total interest, debt-free date, and a month-by-month payment schedule.
Frequently Asked Questions
What is the debt snowball method?
The debt snowball method pays minimums on every debt, then applies extra money to the smallest remaining balance. When that debt is paid off, its old payment rolls into the next-smallest debt.
What inputs does this calculator use?
It uses each debt balance, APR, minimum payment, and one extra monthly payment amount. The calculator applies monthly interest, pays required minimums, then targets the smallest remaining balance.
Does debt snowball save the most interest?
Not always. The debt avalanche method usually saves more interest by targeting the highest APR first. Debt snowball is useful when early account payoffs help you stay motivated.
Why is my payoff date only an estimate?
The payoff date can change if APRs change, minimum payments change, fees are added, or you pause extra payments. Treat the result as a planning estimate, not a creditor payoff quote.
What debts need extra caution?
Use caution with debts in collection, disputed debts, tax debt, federal student loans, settlement negotiations, or secured loans. Review official consumer guidance before changing those payments.
Alex specializes in personal finance modeling with experience in investment analysis and tax optimization. He reviews calculator logic, source notes, and assumptions so finance and tax pages explain their limits clearly.
- CFA Level II Candidate
- B.S. in Finance, University of Michigan
- 8 years in financial planning tools