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Debt Snowball Calculator

See how quickly you could clear multiple debts by focusing on the smallest balance first, then rolling those repayments into the next debt as each one is paid off.

Snowballing Debt

Many Australians feel stuck managing multiple debts at once.

Credit cards, personal loans, car loans and other repayments can make it difficult to build savings, reduce stress, or make progress financially — even when your income is strong.

The debt snowball method is designed to create momentum.

Instead of spreading your focus across every debt equally, you target one debt at a time while continuing the minimum repayments on the others. Once the first debt is cleared, that repayment amount is rolled into the next debt, creating a “snowball” effect over time.

While mathematically the highest-interest debt strategy may save more interest in some cases, many people find the snowball method easier to stick to because they can see debts disappearing sooner.

Use the calculator below to estimate:

  • how long your debts may take to repay
  • which debts could be cleared first
  • how your repayments roll forward over time
  • your estimated debt-free date
  • total interest paid across the plan

Debt Snowball Calculator

See how quickly multiple debts could be cleared by rolling each cleared repayment into the next debt. Compare the Snowball and Avalanche repayment methods while keeping your home loan as the final debt.

Any additional amount available above your current listed repayments.
Used to estimate when each debt may be cleared.
Smallest balance first. The home loan remains last.
Debt name Balance owing Interest rate Current monthly repayment
Total debt entered $0
Monthly repayment budget $0
Estimated debt-free date -
Estimated time to repay -

Recommended payoff order

Month-by-month summary

Month Date Opening balance Interest Repayment Closing balance
Important: This calculator is an estimate only. It assumes interest is charged monthly, repayments are made monthly, interest rates remain unchanged and the same overall repayment budget is maintained as debts are cleared. Actual results may vary.

Understanding Your Results

Your results are designed to show how repayment momentum can build over time.

In many cases, the biggest improvement does not come from increasing repayments dramatically. It comes from:

  • simplifying debt structures
  • reducing high interest costs
  • redirecting repayments strategically
  • avoiding new debt while balances reduce
  • improving cash flow management

If your results still show a long repayment timeframe, it may be worth reviewing:

  • whether your debts could be consolidated
  • whether your mortgage structure is helping or hurting cash flow
  • whether you are paying unnecessarily high interest rates
  • whether unused home equity could improve your overall structure

A refinance is not always about getting a lower rate.

Sometimes it is about creating a structure that helps you regain control and reduce financial pressure long term.

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Debt Reduction Questions Answered

What is the debt snowball method?

The debt snowball method involves focusing extra repayments on the smallest debt first while maintaining the required repayments on all other debts. Once the first debt is cleared, that repayment amount is rolled into the next debt.

Is the debt snowball method better than paying off the highest-interest debt first?

Not always mathematically.

Paying the highest interest debt first (sometimes called the avalanche method) may reduce total interest costs faster. However, many people find the snowball method easier to stay committed to because they can see debts disappearing earlier in the process.

Does this calculator include mortgage repayments?

Yes. You can include any repayment type:

  • credit cards
  • personal loans
  • car loans
  • mortgages
  • HECS/HELP style repayment estimates
  • other ongoing debts
Does this calculator include future interest rate changes?

No.

The calculator assumes your current interest rates remain consistent over the repayment period.

Should I consolidate my debts into my home loan?

It depends on your circumstances.

Debt consolidation can sometimes reduce monthly repayments and simplify finances, but it can also increase the total interest paid if short-term debts are stretched over a longer loan term.

A proper review should consider:

  • repayment strategy
  • cash flow
  • interest costs
  • loan structure
  • long-term financial goals
Can refinancing help me pay debt off faster?

Potentially.

A refinance may help improve cash flow, reduce interest costs, simplify repayments, or improve loan structure. However, the right strategy depends on your overall financial position rather than simply chasing the lowest rate.

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