Free Money and Finance Calculators
Calculators for everyday money questions, from pricing a product and checking a discount to planning savings and comparing loans.
Each one shows its working, so you can see exactly how the answer was reached. Results are estimates for planning, not financial advice.
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Free, private and in your browser, like everything else here.
Currency Converter
Convert between currencies with a rate you enter.
Inflation Calculator
See how inflation changes the value of money over time.
Monthly Budget Planner
Plan income, bills and savings with the 50/30/20 rule.
Mortgage Affordability Calculator
Estimate how much home you could afford from income and debts.
Money and Finance: common questions
Are these finance calculators accurate?
They use standard formulas and show their working. Real figures can differ because of fees, taxes, rounding and the exact terms of your bank or lender.
Do you store my financial details?
No. Every calculation runs in your browser and nothing you enter is sent to our servers.
Is this financial advice?
No. The calculators help you understand the numbers. For decisions about investments, loans or tax, speak to a qualified professional.