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Free Australian calculators & tools
51 free tools — pay calculators, mortgage tools, health calculators, date tools, and more. No sign-up required. Built for Australians.
Income tax, take-home pay, PAYG, and salary tools
Pay Calculator
Exact take-home pay with tax, Medicare, HECS, super & salary sacrifice.
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Reverse Calculator
Work backwards — find the gross salary needed for your target take-home.
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Compare Scenarios
Compare up to 5 salary scenarios side by side with charts.
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Tax Return Estimator
Find out if you're getting a refund or owe the ATO.
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Payslip Decoder
Verify your PAYG tax withholding and 12% super are correct.
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Redundancy Calculator
Tax-free redundancy amount, ETP tax, unused leave and Fair Work minimums.
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Hourly ↔ Salary
Convert between hourly rates and annual salary. AU 38-hour week.
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Salary Packaging
NFP and healthcare FBT-exempt packaging tax saving. Up to $15,900/year.
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Mortgages, stamp duty, rent vs buy, and property investing
Mortgage Calculator
Repayments, stamp duty, LMI, offset account & full amortisation schedule.
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Stamp Duty Calculator
Transfer duty for all 8 states & territories with FHB concessions.
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Rent vs Buy
Compare renting and buying over time. Find your break-even year.
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Negative Gearing
Real after-tax cost of an investment property with depreciation.
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Rentvesting Calculator
Compare rentvesting vs buying to live vs renting over 10-20 years.
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Refinancing Calculator
Monthly saving, break-even point and total interest saved by switching.
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Offset Account
Interest savings and years cut from your mortgage with an offset.
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Land Tax Calculator
Land tax for all states including foreign owner surcharges.
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Superannuation, investments, CGT, and dividends
Super Calculator
Project your superannuation balance at retirement with contributions.
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Investment Calculator
Compound interest with regular contributions. Milestones and rate comparisons.
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Dividend & Franking
Grossed-up dividends, franking credit offsets, and after-tax return.
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Capital Gains Tax
CGT on property, shares, or crypto. 50% discount for 12+ months.
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Dollar Cost Averaging
DCA vs lump sum with Monte Carlo simulation.
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GST, sole trader, contractor, and business finance
GST Calculator
Add or remove 10% GST instantly. Batch mode for invoicing.
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Contractor vs Employee
Find the contractor rate matching your salary. Break-even comparison.
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Sole Trader Tax
Income tax, GST, BAS estimates and tax set-aside % for sole traders.
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HECS / HELP Calculator
Years to clear, annual repayment, indexation cost & voluntary impact.
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Novated Lease
Tax saving with a novated lease. FBT, ECM, EV exemption.
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Budgeting, loans, savings goals, and personal finance
Budget Planner
Plan monthly income and expenses, track savings rate.
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Net Worth Tracker
Personal net worth with ABS benchmark comparison and goal projection.
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Age Pension
Centrelink Age Pension under assets and income tests with deeming.
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Loan Calculator
Personal & car loan repayments, amortisation, extra repayment savings.
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Car Loan Calculator
Vehicle finance with balloon payments, trade-in, and state stamp duty.
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Savings Goal
How much to save per week to reach your target with interest.
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Health, fuel, electricity, solar, and daily life
BMI Calculator
Body Mass Index using metric. BMI category and healthy weight range.
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BAC Calculator
Blood alcohol estimate with AU standard drinks. Legal limits.
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Fuel Cost Calculator
Trip fuel costs using L/100km. Common AU routes and EV comparison.
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Electricity Cost
Appliance running costs. Single or batch mode with preset appliances.
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Solar Panel Calculator
Solar savings, payback, ROI. STC rebate and feed-in tariffs.
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Concrete, paint, tiles, fencing, and building materials
Concrete Calculator
Cubic metres for slabs, footings, columns, and post holes.
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Paint Calculator
How much paint for walls, ceilings, and rooms. AU tin sizes.
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Tile & Flooring
How many tiles or planks. Wastage, adhesive, and grout estimates.
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Fence Calculator
Posts, rails, palings for timber, Colorbond, and pool fencing.
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Calculators, converters, date tools, and password generator
Percentage Calculator
Find X% of a number, what percent, or percentage change.
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Age Calculator
Exact age in years, months, days. Zodiac, planet ages, and more.
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Date Calculator
Days between dates, add or subtract days. Weekdays and EOFY dates.
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Password Generator
Secure random passwords. Strength meter, entropy, and bulk generate.
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Unit Converter
Length, weight, temperature, volume, area, speed, fuel economy.
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Timezone Converter
AEST, ACST, AWST and 25+ world zones. Live Australian clock.
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Cooking Converter
Cups, grams, mL, oven temps with AU standards. Recipe scaler.
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Scientific Calculator
Trig, logs, exponents, factorials. Keyboard shortcuts and history.
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Fraction Calculator
Add, subtract, multiply, divide fractions. Simplify and convert.
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WAM / GPA Calculator
Weighted Average Mark and GPA for Australian unis. 4.0 and 7.0 scales.
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2025-26 ATO rates · updates as you type
Turn on if your package already includes SGC
17.5% loading on 4 weeks annual leave
Calculated using 2025-26 ATO rates · Super: 12% SGC · LITO applied