All calculators
Free calculators for everyday money decisions.
Every calculation runs in your browser, so nothing you type is sent anywhere. Each tool comes with an explanation of the maths, a worked example, safer scenarios to compare against and practical next steps.
Money
3 calculatorsBudgeting, saving, debt payoff and everyday spending decisions.
Can I Afford It Calculator
Check whether a purchase fits your income, savings and monthly commitments before you buy.
Open calculatorMonthly Budget Calculator
See where your money goes, what is left each month and which expenses take the biggest share.
Open calculatorEmergency Fund Calculator
Estimate your emergency-fund target, how many months of essentials you already cover and how long the gap could take to close.
Open calculator
Cars
2 calculatorsCar affordability, loans, running costs and ownership comparisons.
Resource: Car affordability methodology and income scenarios — the formulas, assumptions and illustrative examples behind the car affordability figures.
Home
1 calculatorRent, mortgages, moving costs and home improvement budgets.