Finance & Money calculators

Work out repayments, interest, investment growth, take-home pay and pricing margins. Each finance tool shows the formula and the intermediate steps so you can check the maths yourself.

Please note: Financial calculators produce estimates using the figures you enter. They exclude fees, taxes, insurance and rate changes unless a field asks for them. They are not financial advice — confirm any significant decision with a qualified adviser or your lender.

• Auto Loan CalculatorCar finance payments including trade-in, deposit and sales tax.
• Compound Interest CalculatorGrowth of savings or debt when interest earns interest, with optional deposits.
• Discount CalculatorSale price and savings from one or two stacked discounts.
• EMI CalculatorEquated monthly instalment with a principal-versus-interest breakdown.
• GST / Sales Tax CalculatorAdd or remove GST, VAT or sales tax at any rate.
• Hourly Wage CalculatorYour real hourly rate, including unpaid overtime and commuting.
• Investment CalculatorProjected portfolio value from a lump sum plus regular contributions.
• Loan CalculatorMonthly repayment, total interest and total cost for any amortising loan.
• Markup CalculatorSelling price from cost and markup, with the resulting margin.
• Mortgage CalculatorMonthly mortgage payment including tax and insurance, with total interest.
• Overtime Pay CalculatorTotal weekly pay including overtime at a chosen multiplier.
• Payment CalculatorSolve for the payment, or for the term a fixed payment implies.
• Profit Margin CalculatorGross margin, profit and the markup it corresponds to.
• Rent Affordability CalculatorHow much rent your income comfortably supports, on three common rules.
• Retirement CalculatorProjected retirement pot and the income it could support.
• ROI CalculatorReturn on investment as a percentage, plus annualised return.
• Salary CalculatorConvert between hourly, weekly, monthly and annual pay.
• Savings Goal CalculatorHow much to save each month to reach a target by a chosen date.
• Simple Interest CalculatorInterest earned or owed on a fixed principal, with no compounding.
• Split Bill CalculatorSplit a bill evenly or by individual spend, with tip and service charge.
• Tip CalculatorTip amount, total bill and per-person share.

Looking for something else? Browse the full calculator directory or all categories.