All calculators
Each tool is built for a real calculation, with live results, a worked example and the formula used.
- Australian salary / take-home pay calculatorMoney · Estimate weekly, fortnightly, monthly and annual take-home pay from an Australian resident salary, using ATO PAYG withholding for each pay and year-end tax for the annual figure.
- Australian income tax calculatorMoney · Estimate resident income tax, LITO and the Medicare levy from taxable income for 2026–27.
- PAYG withholding estimatorMoney · Estimate Scale 2 PAYG withheld from a resident salary when the tax-free threshold is claimed, 2026–27.
- GST calculatorMoney · Add 10% GST, remove GST from an inclusive price, or see the GST component using the Australian 1/11 rule.
- Superannuation calculatorMoney · Calculate the 12% Superannuation Guarantee on an Australian salary, including the maximum contribution base and salary-plus-super packages.
- Salary package calculatorMoney · Split a job ad into base salary, 12% employer super and optional extra benefits, whether the figure includes super or not.
- Hourly and annual salary converterWork · Convert hourly, weekly, fortnightly, monthly and annual pay, and pro-rate a part-time salary from a 38-hour week.
- Pay rise calculatorWork · See what a percentage or dollar pay rise does to weekly, monthly and annual pay.
- Medicare levy calculatorMoney · Estimate the 2% Medicare levy with the 2026–27 single low-income shade-in.
- Tax rate comparisonMoney · Compare tax, Medicare and take-home on two resident salaries for 2026–27.
- Australian financial year calculatorDates & time · See which financial year a date falls in, and how many days remain in the current year.
- Percentage calculatorEveryday · Find a percentage of a number, reverse a percentage, or calculate percentage increase, decrease and difference.
- Discount calculatorEveryday · Work out the dollar saving and sale price from a percentage off.
- Profit margin and markup calculatorMoney · See why a 25% markup is a 20% margin, and price from either figure.
- Break-even calculatorMoney · Find how many units you need to sell to cover fixed costs.
- Compound interest calculatorMoney · Project a lump sum — with optional regular deposits — as interest compounds.
- Simple interest calculatorMoney · Calculate interest as principal × rate × time, without compounding.
- Savings goal calculatorMoney · Work out the monthly deposit needed to reach a target, or how long a deposit will take.
- Loan repayment calculatorMoney · Estimate repayments and total interest for a personal, car or other amortising loan.
- Credit card repayment calculatorMoney · Estimate how long a card balance takes to clear at a fixed monthly payment, and the interest you would pay.
- Mortgage repayment calculatorHome · Estimate loan repayments, total interest and the principal/interest split for an Australian home loan.
- Mortgage extra repayment calculatorHome · See how extra monthly repayments cut home-loan interest and years remaining.
- Mortgage offset calculatorHome · Estimate interest saved when a transaction-account balance offsets a home loan.
- Borrowing comparison calculatorHome · Compare two amortising loans on monthly repayment, total interest and total cost.
- Home deposit calculatorHome · Turn a purchase price and deposit percent into the cash needed, loan size and LVR.
- Loan-to-value ratio calculatorHome · Calculate LVR and equity from a loan amount and property value.
- Property deposit goal calculatorHome · See the monthly savings needed to reach a home deposit target from a price and deposit percent.
- Weekly ↔ monthly rent calculatorHome · Convert Australian rent between weekly, fortnightly, monthly and annual amounts using a 52-week year — not weekly × 4.
- Rent affordability calculatorHome · See what share of income a rent takes, using 52 weeks and 12 months — not weekly × 4.
- Rent increase calculatorHome · See the new rent and the extra annual cost after a percentage increase.
- Electricity cost calculatorHome · Estimate what an appliance costs to run from its wattage, how often you use it, and your electricity rate in c/kWh.
- Business days calculatorDates & time · Count Australian business days between two dates, or add and subtract working days, with national and state public holidays.
- Workdays per year calculatorWork · Count weekdays minus public holidays in a calendar year for an Australian state or territory.
- Australian public holiday calendarDates & time · List public holidays for a year in a chosen state or territory, including many observed-Monday rules.
- Days between datesDates & time · Count the days, weeks, weekdays and weekends between two dates, plus an age-style years/months/days span.
- Add or subtract daysDates & time · Add or subtract a number of calendar days from a date, including month and year boundaries.
- Age calculatorDates & time · Calculate age in years, months and days, and days until the next birthday.
- Countdown calculatorDates & time · Count whole days until a date, or how many days ago a date was.
- Week number and day of weekDates & time · See the ISO week number, ISO week-year and weekday name for a date.
- Annual leave hours and days converterWork · Convert leave hours to days and back using a 7.6-hour day (38-hour week) unless you set another day length.
- Overtime pay calculatorWork · Estimate ordinary pay plus overtime at a multiplier such as time-and-a-half.
- Timesheet pay calculatorWork · Turn a block of hours into pay, with overtime after a daily or weekly threshold you choose.
- Shift length calculatorWork · Work out paid hours from start time, finish time and an unpaid break, including overnight shifts.
- Fuel cost calculatorTravel · Estimate litres used and trip cost from distance, L/100 km consumption and the price at the pump, including an optional return trip.
- Fuel economy converterTravel · Convert L/100 km to km/L and back — the two ways of writing the same consumption.
- Travel time calculatorTravel · Estimate driving time from distance and average speed. This is not live traffic.
- Length converterEveryday · Convert millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
- Weight converterEveryday · Convert milligrams, grams, kilograms, tonnes, ounces, pounds and stone.
- Volume converterEveryday · Convert millilitres, litres, Australian metric cups and spoons, and US or imperial fluid ounces and gallons.
- Temperature converterEveryday · Convert Celsius, Fahrenheit and Kelvin. Weather and cooking in Australia use Celsius.
- Area converterEveryday · Convert mm², cm², m², hectares, km², square feet, square yards and acres.