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Debt Snowball Spreadsheet with a Month-by-Month Plan

Enter your debts and what extra you can pay each month. You will see when you could be debt free and how much interest you would pay, then download a spreadsheet with every payment scheduled.

● Free download · updated November 3, 2026 · by Venkata Nagireddi
Your debts (sample amounts, replace with yours)
DebtBalanceAPR %Minimum

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Debt free in 2 years 2 months, paying $1,545 in interest.

The extra $200 a month saves $2,314 in interest and 2 years.

Debt Snowball Plan
Extra paid each month$200.00
Debt, smallest balance firstBalanceAPRMinimumPaid off in month
Store card$1,200.0024%$35.006
Credit card$4,200.0019%$105.0019
Car loan$6,500.007%$180.0026
Total$11,900.00$320.00
Paid toward debt each month$520.00
Months until debt free26
Total interest$1,545.21
Change a balance, rate or payment and the plan recalculates. The payoff order stays as listed, so download a fresh copy if your smallest balance changes.
Made with the free templates at paycheckbay.com

With $11,900 across three debts, adding $200 a month would clear them in 26 months, compared with 50 months without it, and save about $2,314 in interest.

Who this template is for

  • Anyone with several credit cards or loans who wants a clear order to pay them in.
  • People who stay motivated by seeing debts disappear one at a time.
  • Anyone deciding how much difference an extra monthly payment would make.

How to use it

  1. Replace the sample debts with your own balances, interest rates and minimum payments.
  2. Enter the extra amount you can pay each month. Try a few amounts and watch the summary change.
  3. Download the Excel file. It recalculates if you change a balance, rate or payment.

Example: three debts and $200 extra a month

Each debt keeps its minimum, and the extra goes to the smallest balance. When one is gone, its payment rolls to the next.

Paid in this orderBalanceAPRMinimumGone in month
Store card$1,20024%$356
Credit card$4,20019%$10519
Car loan$6,5007%$18026

Total interest in this example is about $1,545. It assumes fixed rates and no new charges.

How the debt snowball works

List your debts from smallest balance to largest, whatever their interest rates. Pay the minimum on all of them and put every extra dollar on the smallest. When it is gone, add its whole payment to the next one. Your total monthly payment stays the same, but more of it goes to each remaining debt.

Snowball or avalanche?

The avalanche method targets the highest interest rate first and usually costs less in interest. The snowball targets the smallest balance, which gives you earlier wins. If you are likely to stick with either, the avalanche is the cheaper choice on paper, but the best plan is the one you will keep following.

Common questions

Does the spreadsheet use real formulas?

Yes. Change a balance, rate, minimum or the extra payment on the Plan tab and the schedule and totals recalculate. It also works when imported into Google Sheets.

How many debts can I add?

Up to eight. That keeps the schedule readable and printable.

Does this include new charges?

No. The plan assumes you stop adding to these debts and that rates stay fixed. Variable rates and new charges will change your dates.

Should I stop saving while I pay off debt?

Many people keep a small emergency fund so a surprise bill does not go back on a credit card. If you are struggling with minimum payments, a nonprofit credit counselor can review your options.

More free tools

Templates are for general record-keeping and planning, not tax, legal or financial advice.