Loan Repayment Calculator UK
See how long a personal loan takes to repay and total interest paid.
Open calculatorBanking & Finance Calculators UK
Free UK banking calculators for loans, credit cards, savings, ISAs, mortgages and overdrafts. Compare costs and plan repayments instantly.
Compare loan repayments, credit card interest, mortgage costs, savings growth and overdraft charges with free UK banking calculators. Use them to understand the true cost of borrowing, test overpayment scenarios, or plan savings — but always compare final quotes from lenders and providers before committing. Our banking & credit guides explain APR, affordability and everyday banking concepts in plain English.
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Credit Card Interest Calculator UK
Estimate how long it takes to clear a card balance and total interest.
Open calculatorOverdraft Cost Calculator UK
Estimate overdraft interest and daily fees over a period.
Open calculatorSavings Interest Calculator UK
Project savings growth with regular contributions and interest.
Open calculatorISA Allowance Calculator UK
See how much of your annual ISA allowance remains.
Open calculatorMortgage Overpayment Calculator UK
See how extra payments reduce mortgage interest and term.
Open calculatorMortgage Repayment Calculator UK
Work out your monthly mortgage payment and total interest over the term.
Open calculatorDirect Debit Budget Planner UK
See if your direct debits and essentials fit your monthly income.
Open calculatorBank Fee Calculator UK
Add up monthly and annual bank account and fee costs.
Open calculatorDebt Snowball Calculator UK
See how the snowball method clears debts from smallest first.
Open calculatorLoan Affordability Calculator UK
Check if a loan or credit payment fits your monthly income.
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Stamp Duty Calculator UK
Estimate Stamp Duty Land Tax (SDLT) on a property in England or Northern Ireland.
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Mortgage Affordability Calculator UK
Estimate how much you could borrow and the property price you can afford.
Open calculatorCompound Interest Calculator UK
See how savings and investments grow with compound interest.
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Capital Gains Tax Calculator UK
Estimate CGT on shares, crypto, funds and property for 2026/27.
Open calculatorSavings Goal Calculator UK
Work out how much to save each month to hit a target amount.
Open calculatorLifetime ISA Calculator UK
See your Lifetime ISA pot including the 25% government bonus.
Open calculatorFrequently asked questions
The interest rate is the cost of borrowing; APR includes compulsory fees and gives a fuller yearly picture. Compare loans and credit using the representative APR.
Not exactly. Lenders apply their own affordability checks, fees and rounding. Use these tools for planning and comparison, then get a formal quote.
StepChange, National Debtline and Citizens Advice offer free, confidential support. See our resources page for links.