About this calculator
Debt Repayment Calculator
The avalanche method pays off your highest-interest debt first; the snowball method clears your smallest balance first.
Enter your debts to see both strategies side by side, including total interest paid and your debt-free date.
Results are estimates for educational purposes only and are not financial advice. Want a second pair of eyes on your numbers? Book a personal finance review.
More free calculators
See all resourcesUK Tax Calculator
See exactly where your salary goes
Income tax, National Insurance, pension and student loan. Enter your salary and see your true take-home pay.
£100k Tax Trap Calculator
Check if you are paying a 60% marginal rate
Earning over £100,000? Find out how much the personal allowance taper is costing you, and how to get it back.
ISA vs Pension Calculator
Compare where your savings work hardest
Stocks & Shares ISA, Cash ISA, LISA and pension compared side by side for growth, tax efficiency and flexibility.