Free UK Finance Tools
Every calculator runs instantly in your browser — no sign-up, no data stored.
Mortgage CalculatorEstimate monthly repayments, total interest and loan-to-value.Open calculator →Mortgage Overpayment CalculatorSee how overpayments may reduce mortgage interest and term.Open calculator →Stamp Duty CalculatorWork out estimated stamp duty with a full band breakdown.Open calculator →Income Tax CalculatorEstimate income tax, National Insurance and take-home pay.Open calculator →Savings CalculatorSee how regular saving and interest build a balance over time.Open calculator →Compound Interest CalculatorModel compounding at different frequencies with a growth chart.Open calculator →Loan Repayment CalculatorCalculate monthly loan payments and total interest paid.Open calculator →ISA CalculatorProject illustrative ISA growth within the annual allowance.Open calculator →Pension CalculatorProject a pension pot from your own and employer contributions.Open calculator →Budget PlannerPlan monthly income and spending with a visual breakdown.Open calculator →Emergency Fund CalculatorFind your emergency fund target and how much is still needed.Open calculator →Mortgage Affordability CalculatorEstimate a sensible borrowing range from household income.Open calculator →House Deposit CalculatorSet a home deposit target and estimate how long saving may take.Open calculator →Credit Card Repayment CalculatorEstimate how long a credit-card balance may take to clear.Open calculator →Savings Goal CalculatorWork out the monthly amount needed to reach a savings goal.Open calculator →Inflation Impact CalculatorSee how inflation may change the future buying power of money.Open calculator →Investment Fee CalculatorSee how platform and fund charges may affect long-term returns.Open calculator →Debt Repayment CalculatorEstimate repayment time and interest from your debt balance, average rate and monthly budget.Open calculator →
Calculations are illustrative and do not constitute financial advice. Check current rules and rates before making decisions.