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Debt payoff calculator

Find your debt-free date.

Compare snowball vs avalanche side-by-side, see what an extra £50 a month saves you, and watch payments cascade as each debt clears. Everything stays in your browser.

Beta. Uses your stated APR and minimum payment. Calculations are for planning only - actual interest may vary depending on your lender's compounding method. Not financial advice.

Your debts

Enter each debt separately. Use the balance from your latest statement, the APR from your agreement, and your current minimum monthly payment. For mortgages or debts on a fixed/promotional rate, click the clock icon on the row to set the current rate, when it ends, and the follow-on APR - the simulation will switch rates automatically.

Name
Type
Balance (£)
APR / Follow-on (%)
Min / mo (£)

Payoff strategy

Two controls per debt: Include puts the debt in the strategy (untick to leave a mortgage out of the simulation entirely so it doesn't drag your debt-free date out 25 years). Extra says your extra monthly payment is allowed to attack this one - untick for fixed-term loans where overpaying doesn't help.