Guide

The Best Free Debt Payoff Spreadsheet (2026)

The right debt payoff spreadsheet does one powerful thing: it turns a vague pile of balances into an exact debt-free date and a number for the interest you will save. Here is how to choose one, and how the two main strategies compare, in 2026.

Snowball vs avalanche

Both methods pay minimums on every debt and throw all spare money at one target debt. They differ only in which debt you target first.

MethodPay off firstBest for
SnowballSmallest balanceMotivation - quick wins keep you going
AvalancheHighest interest rateMath - saves the most money and time

The avalanche saves more interest; the snowball gives faster psychological wins. A good spreadsheet lets you compare both side by side with your real numbers, so you can choose with eyes open.

What a great debt payoff spreadsheet must have

  • A debt-free date that recalculates as you change your monthly payment.
  • Total interest paid and interest saved versus minimum-only payments.
  • Snowball and avalanche side by side so you can see the trade-off.
  • A payoff order that tells you exactly which debt to attack next.
  • Works in Excel and Google Sheets, including on your phone.

Start today

The Plannful Debt Payoff Tracker does all of this - snowball and avalanche, your debt-free date, interest saved, and a clear payoff order - in one editable file you keep forever.

See the Debt Payoff Tracker →

Want the whole picture? The Money Reset Kit bundles debt payoff with budgeting, savings and net worth in one set.

Frequently asked questions

Is the debt snowball or avalanche better?
The avalanche (highest interest rate first) saves the most money and time mathematically. The snowball (smallest balance first) gives faster wins that keep many people motivated. A spreadsheet that shows both with your real numbers lets you pick the trade-off that fits you.
What should a debt payoff spreadsheet calculate?
It should show your debt-free date, total interest paid, interest saved versus minimum payments, and the exact order to pay debts - all recalculating when you change your monthly payment amount.
Can a spreadsheet really help me pay off debt faster?
Yes. Seeing a concrete debt-free date and the interest you save by adding even $50 a month is a strong motivator, and a clear payoff order removes the guesswork about which debt to attack next.

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