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Debt & Credit

Debt Snowball Calculator

Enter up to 6 debts and see how the debt snowball method compares to the debt avalanche — payoff timeline, total interest, and the difference between them.

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Snowballs into the next debt when one is paid off.

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Debt snowball vs debt avalanche

Both methods use the same total monthly payment — minimums on all debts plus an extra amount applied to one target debt. The difference is which debt gets the extra payment.

Debt snowball (smallest balance first)

Popularized by Dave Ramsey, the snowball method targets the smallest balance first regardless of interest rate. The psychological win of clearing a debt entirely motivates you to keep going. Studies show people stick with snowball plans more often than avalanche plans — even though snowball costs more in interest.

Debt avalanche (highest APR first)

Mathematically optimal: target the debt with the highest interest rate first. This minimizes total interest paid and shortens the payoff timeline. The downside is that early progress feels slower — your highest-APR debt might also be your largest balance, so months pass with no debt fully cleared.

The avalanche saves an average of $1,000–$3,000 over the snowball on typical consumer debt loads. But a plan you'll actually follow beats a mathematically perfect plan you'll abandon. Pick the one that fits your personality.

Frequently asked questions

Which is better — snowball or avalanche?

Avalanche saves more money (typically $1,000-$3,000 on average debt loads) by targeting highest-APR debt first. Snowball has higher completion rates because of psychological motivation from clearing smaller debts. Pick whichever you'll actually stick with — consistency beats math.

How much extra should I throw at debt each month?

As much as you can afford without sacrificing emergency fund contributions. Start with $100-300/month extra and increase as you free up cash. Even $50/month extra on a credit card can shave years off the payoff.

Should I use my emergency fund to pay off debt?

Generally no. If you pay off debt and then have an emergency, you'll be forced back into debt at higher rates. Keep a $1,000-2,000 starter emergency fund, then attack debt aggressively. Build the full 3-6 month fund after debt is gone.

What if I can't afford minimums on all my debts?

Contact creditors immediately — many offer hardship programs that temporarily reduce or suspend payments. Consider credit counseling from a NFCC-affiliated agency (free or low-cost). Avoid debt settlement companies that charge upfront fees.

Should I consolidate my debts before starting the snowball?

Only if the consolidation rate is meaningfully lower than your current rates AND you've addressed the spending behavior that caused the debt. Consolidation without behavior change leads to consolidated debt PLUS new credit card debt.

Does settling debt for less than owed hurt my credit?

Yes. Debt settlement (paying less than the full balance) shows up as 'settled for less than full' on your credit report and stays for 7 years. It also triggers 'forgiven debt' as taxable income. Avoid unless facing bankruptcy.

When should I consider bankruptcy?

Bankruptcy is a last resort for debts you genuinely cannot repay. Chapter 7 wipes out most unsecured debt but requires passing a means test. Chapter 13 sets up a 3-5 year repayment plan. Consult a bankruptcy attorney — many offer free consultations.

Glossary of key terms

Debt Snowball
Payoff method targeting smallest balance first. Psychological motivation from quick wins.
Debt Avalanche
Payoff method targeting highest APR first. Mathematically optimal — saves the most interest.
Minimum Payment
The smallest amount you can pay without penalty. Usually 1-3% of balance plus interest.
Debt Consolidation
Combining multiple debts into one new loan, ideally at a lower rate.
Debt Settlement
Negotiating with creditors to pay less than the full balance owed. Damages credit and may trigger tax liability.

Common mistakes to avoid

  • Not addressing the spending behavior that caused the debt — you'll be back in debt within 18 months
  • Using emergency fund to pay off debt — leaves you vulnerable to new emergencies
  • Closing credit card accounts after paying them off — hurts credit utilization and average account age
  • Choosing snowball/avalanche based on what sounds good rather than what you'll actually stick with
  • Falling for debt settlement scams that charge upfront fees and destroy credit

Pro tips

  • Automate minimum payments on all debts so you never miss one — then manually apply extra to your target debt.
  • Use 'found money' (tax refunds, bonuses, gifts) to make lump-sum payments on debt — accelerates payoff significantly.
  • Side income from a part-time job or gig can double your debt payoff speed — even $500/month extra makes a huge difference.
  • Once one debt is paid off, immediately redirect that payment to the next debt — don't absorb it into lifestyle inflation.
  • Track your progress visually — a chart on the fridge showing declining balances provides ongoing motivation.
Results are estimates for educational purposes only and not financial advice. Consult a licensed professional for advice specific to your situation.