Templates / Debt Snowball & Avalanche Calculator

Snowball vs avalanche comparison
Snowball vs avalanche comparison (sample data)

Debt Snowball & Avalanche Calculator Spreadsheet

See when you'll be debt-free, and compare the two most popular payoff methods side by side.

$9

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Instant download: you get one .xlsx file. For Google Sheets, upload it to Google Drive and open it with Google Sheets. Digital item, so nothing is shipped. Personal use only; please don't resell or share the file.

What's inside

  • Up to 20 debts: balance, APR, minimum payment, plus an optional promo APR with its end date (for 0% balance transfers)
  • Snowball plan (smallest balance first) and Avalanche plan (highest APR first), month by month for up to 30 years
  • Compare tab: debt-free date, months, and total interest for each method, interest saved, a payoff date for every debt, and a balance-over-time chart
  • Freed-up minimums roll into the next debt automatically
  • One-time extra payments: add a tax refund or bonus in the month you'll pay it
  • Checks that flag a minimum that doesn't cover the interest, or an APR typed in the wrong format

Good to know

  • Works in Microsoft Excel, Google Sheets and LibreOffice. No macros.
  • Results are estimates from the numbers you enter; your lender's statements may differ slightly.
  • Yellow cells are for typing; grey cells calculate.

Not financial advice.

Previews

Questions

What's the difference between snowball and avalanche?

Snowball pays the smallest balance first; avalanche pays the highest APR first. The Compare tab shows the debt-free date and total interest for each so you can pick.

Can it handle a 0% balance transfer?

Yes. Enter an optional promo APR and its end date for any debt.

How many debts can I enter?

Up to 20.

Will the numbers match my statements exactly?

They're estimates from the numbers you enter; your lender's statements may differ slightly. Not financial advice.

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