Explore these tools
Investments, buying or renting, loans and currency calculations. Choose a tool below and enter the details for your task. Each calculator explains its inputs and shows the result in your browser.
Tools and calculators
Split expenses calculator
Split group costs fairly and see exactly who owes whom.
Compound Interest Calculator
Project investment growth with monthly contributions, inflation and an adjustable tax estimate.
Buy or Rent Calculator
Compare a UK mortgage, rent, home equity and estimated wealth over time.
Remortgage Calculator
Calculate a new mortgage payment, switching costs, saving and break-even point.
Loan Refinance Calculator
Compare a current loan with a new rate, term, fees and full remaining cost.
Debt Consolidation Calculator
Compare several debts with one payment without hiding the total cost.
Currency Converter
Convert pounds, euros, dollars and other currencies using current ECB reference rates.
Choosing the right calculator
Compare buying and renting, investment growth, currency conversion and loan scenarios. Results depend on the rates, costs and time periods you enter.
Compare the available tools before you start. For a useful result, check the units, assumptions and any optional settings in the calculator you choose.