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Debt Payoff Calculator

Snowball or avalanche: a plan for clearing every debt.

Your debts

NameBalanceRate (%)Minimum
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Payoff order

#DebtCleared inInterest paid

Debt free in

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—

Total owed—
Sum of minimums—
Extra towards the target—
Total interest—
Total repaid—

Avalanche against snowball

Avalanche interest—
Snowball interest—
Avalanche saves—

Quick Tool Overview

The Debt Payoff Calculator builds a plan across all your debts at once. It pays the minimums everywhere, directs the surplus at one target debt, and rolls that payment onward as each debt clears — running both the snowball and the avalanche method side by side.

What it does
Builds a full payoff plan across every debt you hold
You give it
Each debt with its balance, rate and minimum, and a monthly budget
You get back
A payoff order, a debt-free date and total interest for both methods
Best for
Getting out of debt with a plan rather than a guess
Calculators Free, unlimited use No sign-up Runs in your browser

About the Debt Payoff Calculator

Add every debt you have with its balance, rate and minimum payment, then set the total you can put towards debt each month. The calculator produces a payoff order, the debt-free date and the total interest, for both the snowball and the avalanche method.

The mechanic behind both is the same and it is what makes them work. You pay the minimum on everything and direct every spare dollar at one target debt. When that debt clears, its whole payment rolls onto the next one, so the amount attacking your debt grows each time one falls. Avalanche targets the highest rate and always costs less in interest; snowball targets the smallest balance and clears debts sooner, which some people need to keep going. The calculator shows the gap so you can decide with a number rather than a slogan.

Key features of the Debt Payoff Calculator

Snowball and avalanche compared

Both run on your actual numbers, so the choice is made against a figure rather than a slogan.

The rolling payment modelled

When a debt clears, its whole payment moves to the next one — the step that makes the plan accelerate.

Debt-free date

A single date to work towards, for each method.

Unlimited debts

Add as many as you carry; the plan handles the whole set together rather than one at a time.

Payoff order listed

Which debt to attack first, second and third, with the month each is projected to clear.

How to use the Debt Payoff Calculator

  1. 1

    Add each debt

    Enter the balance, the interest rate and the minimum payment for every debt you hold.

  2. 2

    Set your total monthly budget

    The full amount you can put towards debt, which must be at least the sum of the minimums.

  3. 3

    Compare the two methods

    Avalanche minimises interest; snowball clears individual debts fastest. Both are shown together.

  4. 4

    Follow the payoff order

    The plan lists which debt to attack first and when each one is projected to clear.

Frequently asked questions

Snowball pays the smallest balance first for quick wins and momentum. Avalanche pays the highest interest rate first, which always costs less in total. The calculator shows exactly how much less.

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