Free Debt Payoff Planners
The method matters less than the extra payment
Four planners for clearing debt: snowball and avalanche compared on your actual balances, consolidation tested against the weighted average rate you already pay, the effect of overpaying, and a date attached to every balance.
Debt Payoff Calculator
Compare the snowball and avalanche methods across your actual debts and see the payoff order, timeline and interest cost.
Result
Debt free in
29 months
Total interest
$3,457
- Method used
- Avalanche
- Total balance
- $23,700
- Monthly commitment
- $985
- Years to clear
- 2.4 years
- Avalanche months
- 29 months
- Snowball months
- 29 months
- Avalanche saves
- $268
- Saved versus minimums only
- $6,758
Avalanche targets the highest rate first and always costs the least interest. Snowball clears the smallest balance first and pays off individual debts sooner.
When a debt is cleared its minimum payment is added to the next target, which is what makes both methods accelerate over time.
Payoff order - Avalanche method
| # | Debt | Cleared after | Interest paid |
|---|---|---|---|
| 1 | Store card | 6 months | $133 |
| 2 | Credit card | 20 months | $1,591 |
| 3 | Personal loan | 23 months | $612 |
| 4 | Car loan | 29 months | $1,120 |
Read the full guide, worked examples and FAQ for this calculator →
Popular tools
The calculators visitors to DebtPayoffTools open most often.
- Payoff & Debt
Debt Payoff Calculator
Compare the snowball and avalanche methods across your actual debts and see the payoff order, timeline and interest cost.
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Debt Consolidation Calculator
Compare keeping your debts as they are against consolidating them into one loan, on payment and on total interest.
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Extra Payment Impact Calculator
See what an extra monthly amount and a one-off lump sum do to a debt’s payoff date and total interest.
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Debt-Free Date Calculator
Find the date a single balance clears at a chosen payment, and how much of the total goes to interest.
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The snowball-versus-avalanche argument absorbs more attention than it deserves. Run against real debts, the gap between them is usually a few hundred dollars - while the gap between paying an extra three hundred a month and paying nothing extra is measured in years and thousands.
These tools make that comparison concrete. They also apply the same scepticism to consolidation offers: a lower payment is not a saving if the term is longer, and the number to beat is the weighted average rate you are already paying.
Browse by category
Payoff & Debt
Extra payments, payoff dates and debt elimination strategies.
Why use DebtPayoffTools
Both methods, your actual numbers
Payoff order, months to clear and total interest for snowball and avalanche side by side, so the difference is a fact rather than an argument.
Consolidation tested honestly
The weighted average rate across your balances is the number a consolidation offer has to beat. It is frequently lower than people assume.
Overpayments valued properly
An extra payment removes its own value plus every future month of interest on it. Early payments are worth several times later ones.
A date on every balance
Open-ended debt is harder to clear than debt with a deadline. Given a balance, a rate and a payment, the date is knowable.
How it works
- List every debt with its balance, rate and minimum payment.
- Run both methods and note that the difference is smaller than the extra payment’s effect.
- Test any consolidation offer against your weighted average rate.
- Pick the plan you will actually sustain and put the date in the calendar.
Frequently asked questions
Snowball or avalanche?
Avalanche costs less interest, always. Snowball clears individual debts sooner, which some people find easier to sustain. Since abandoning a plan costs more than either method saves, choose the one you will follow.
Is debt consolidation a good idea?
Only if the new rate beats the weighted average of what you pay now, and only if the term does not stretch so far that total interest rises. A lower payment on its own is a restructuring, not a saving.
Should I include my mortgage?
Usually not in a payoff plan. Mortgage rates are typically far below consumer debt rates, and including it distorts the ordering.
What is the most common reason plans fail?
New borrowing while paying down old balances - particularly using cards again after clearing them through consolidation. Every projection here assumes no new debt.
Is any of this financial advice?
No. These are calculators, and the results are estimates based on figures you enter. They do not account for your full circumstances.