Finance & Mortgages
Finance & Mortgage Calculators
Free UK finance and mortgage calculators. Work out repayments, compare borrowing costs and plan your savings — from first-time buyer stamp duty to pension pots.
Loan APR
Compare the true cost of loans using APR
Mortgage Repayment
Calculate monthly mortgage payments
Stamp Duty
Work out stamp duty land tax on a property
Compound Interest
See how your savings grow over time
Credit Card Repayment
Work out how long to clear your balance
Rent vs Buy
Compare the cost of renting versus buying
Debt Payoff
Plan the fastest route out of debt
Inflation Calculator
See how inflation erodes purchasing power
ISA Calculator
Project your tax-free ISA savings
Pension Calculator
Estimate your retirement pension pot
UK Finance & Mortgage Calculators
Understanding the true cost of borrowing is essential before committing to a mortgage, loan or credit card. Our calculators use current UK interest rates and thresholds so you can compare deals and plan repayments with confidence.
For official guidance on mortgages, savings and debt management, visit MoneyHelper, the government-backed money guidance service.