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Debt Payoff Calculator

Compare the Snowball (smallest balance first) and Avalanche (highest APR first) strategies to find your fastest debt-free date.

Your Debts

NameBalanceAPR %Min. Payment
Total owed: £12,000Minimum payments: £250/mo
£100/mo

This extra amount is applied to the target debt after all minimum payments are made. Even £50 extra per month makes a significant difference.

Best Choice
❄️ Snowball
Smallest balance first
4y 4m
Debt-free date
Total interest: £3,707
Pay off smallest debt first for quick wins and motivation. Then roll that payment into the next.
🏔 Avalanche
Highest APR first
4y 4m
Debt-free date
Total interest: £3,707
Attack highest interest rate debt first. Mathematically optimal — saves the most money.

How the Strategies Work

❄️ Debt Snowball
  • List debts smallest to largest
  • Pay minimums on all debts
  • Put every extra pound on the smallest debt
  • When paid off, roll full payment to next smallest
  • Provides psychological wins — proven to improve follow-through
🏔 Debt Avalanche
  • List debts highest APR to lowest
  • Pay minimums on all debts
  • Put every extra pound on the highest APR debt
  • When paid off, roll full payment to next highest APR
  • Minimises total interest paid — mathematically optimal
Related
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