Free Australian pay calculator , tax refund calculator, mortgage calculator, and 80+ financial calculators. Calculate take-home pay, tax, superannuation, home loans, and investments with 2026-27 Australian rates. No sign-up. Most Popular Calculators Calculate take-home pay, income tax, Medicare levy, and superannuation with 2026-27 Australian tax rates. Fair Work Redundancy Calculator Estimate NES redundancy weeks of pay plus genuine redundancy tax-free amounts and ETP tax. Novated Lease Calculator Estimate GST, income tax and FBT savings on a novated lease, including the EV FBT exemption. Tax Refund Calculator Estimate your tax refund or amount owing using current Australian tax rates. HECS Indexation Calculator 2026 Estimate how the 2.8% 1 June 2026 HELP indexation changes your student loan balance. Medicare Levy Surcharge Calculator Check MLS tiers (1%–1.5%) and estimate surcharge without private hospital cover. Mortgage Calculator Calculate home loan repayments, interest costs, and total loan amount for Australian mortgages. Rent vs Buy Calculator Compare long-term net wealth from renting and investing versus buying a home. Investment Calculator Calculate investment growth with compound interest and regular contributions. Period Calculator Predict your next period, ovulation date, and fertile window. 6-month cycle forecast. Pregnancy Due Date Calculator Calculate estimated due date from last period, conception date, or ultrasound. Shows milestones. Percentage Calculator Calculate percentages, percentage changes, increases, and decreases. Convert between units of length, weight, temperature, time, and volume. Currency Converter Convert between currencies with real-time exchange rates. All Financial Calculators by Category 💰 Employment & Pay Calculators Calculate take-home pay, income tax, Medicare levy, and superannuation with 2026-27 Australian tax rates. Contractor Tax Calculator Estimate income tax, GST and PAYG for sole traders and ABN contractors using 2026-27 rates. Fair Work Redundancy Calculator Estimate NES redundancy weeks of pay plus genuine redundancy tax-free amounts and ETP tax. Novated Lease Calculator Estimate GST, income tax and FBT savings on a novated lease, including the EV FBT exemption. Salary Sacrifice Calculator Calculate the tax benefits of salary sacrificing into superannuation and other benefits. Overtime Calculator Calculate overtime pay, casual hourly rates, penalty rates, and additional earnings for Australian employees. Shift Calculator Calculate shift work hours, night shift penalties, and rotating roster earnings. 📊 Tax & Government Calculators Tax Refund Calculator Estimate your tax refund or amount owing using current Australian tax rates. HECS/HELP Debt Calculator Calculate HECS/HELP debt repayments with the current marginal rate system and $67,000 threshold. HECS Indexation Calculator 2026 Estimate how the 2.8% 1 June 2026 HELP indexation changes your student loan balance. Medicare Levy Surcharge Calculator Check MLS tiers (1%–1.5%) and estimate surcharge without private hospital cover. Calculate GST-inclusive and GST-exclusive prices for Australian goods and services. Stamp Duty Calculator Calculate stamp duty on property purchases across all Australian states and territories. Land Tax Calculator Estimate land tax liability based on your property value and state thresholds. Capital Gains Tax Calculator Calculate capital gains tax on property, shares, and other assets in Australia. Pension Calculator Estimate your Australian pension entitlements and Age Pension payments. 🏠 Property & Loans Calculators Mortgage Calculator Calculate home loan repayments, interest costs, and total loan amount for Australian mortgages. Loan Comparison Calculator Compare two home loans side by side to find the best deal. 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Negative Gearing Calculator Calculate the tax benefit of a negatively geared property and its true after-tax cost. 📈 Investment & Savings Calculators Investment Calculator Calculate investment growth with compound interest and regular contributions. Compound Interest Calculator Calculate how your money grows with compound interest over time. Simple Interest Calculator Calculate simple interest on loans or deposits over any period. Savings Calculator Plan your savings goals with regular deposits and interest earnings. Retirement Calculator Estimate how much you need to retire comfortably in Australia. FIRE Calculator Calculate your Financial Independence, Retire Early target and timeline. Calculate return on investment for business decisions and investments. Annuity Calculator Calculate annuity payments, present value, and future value of regular payments. 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Calculate Body Mass Index with ideal weight range and personalised health recommendations. Calorie Calculator Calculate daily calorie needs based on age, weight, height, and activity level. Macro Calculator Calculate your daily protein, carbohydrate, and fat requirements. TDEE Calculator Calculate Total Daily Energy Expenditure for weight management. Body Fat Calculator Estimate body fat percentage using measurements and multiple formulas. Heart Rate Zone Calculator Calculate training heart rate zones for optimal cardio and fat burning. Weight Loss Calculator Calculate how long it takes to reach your target weight with calorie deficit planning. Life Expectancy Calculator Estimate life expectancy based on lifestyle factors and health indicators. Biological Age Calculator Estimate your biological age based on lifestyle and health metrics. Gestational Age Calculator Calculate gestational age and estimate due date during pregnancy. Period Calculator Predict your next period, ovulation date, and fertile window. 6-month cycle forecast. Pregnancy Due Date Calculator Calculate estimated due date from last period, conception date, or ultrasound. Shows milestones. 🎂 Date & Time Calculators Calculate exact age in years, months, days from any date of birth. Date Calculator Add or subtract days, weeks, months, and years from any date. Date to Date Calculator Calculate the exact number of days, weeks, and months between two dates. Days Calculator Calculate the number of days between dates or add/subtract days from a date. Count the number of days until or since a specific date. Business Day Calculator Calculate business days between dates, excluding weekends and public holidays. Birthday Calculator Find out what day of the week you were born and your next birthday. Date of Birth Calculator Calculate date of birth from age, or find age milestones and zodiac sign. 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Ratio Calculator Solve ratios, proportions, and scale factors with visual representations. Math Calculator Evaluate mathematical expressions with order of operations support. Weighted Average Calculator Calculate weighted averages for grades, scores, and data sets. Binary Calculator Convert between binary, decimal, hexadecimal, and octal number systems. Calculate your Grade Point Average with Australian and international grading scales. Grading Calculator Calculate grades, weighted scores, and final exam requirements. 🧱 Construction & Home Calculators Concrete Calculator Calculate concrete volume needed for slabs, footings, columns, and stairs. Paint Calculator Calculate how much paint you need for walls, ceilings, and trim. Stair Calculator Calculate stair dimensions including rise, run, and total stringer length. Roof Pitch Calculator Calculate roof pitch angle, slope ratio, and rafter length. Gravel Calculator Calculate gravel volume and weight needed for driveways and landscaping. Mulch Calculator Calculate mulch volume needed for garden beds and landscaping projects. Area Calculator Calculate area for squares, rectangles, circles, triangles, and irregular shapes. Volume Calculator Calculate volume for cubes, cylinders, spheres, cones, and other 3D shapes. 💡 Electrical & Utility Calculators Electricity Cost Calculator Calculate electricity usage costs based on wattage, hours, and tariff rates. Convert between watts, kilowatts, and kilowatt-hours for energy usage. Watts to Amps Calculator Convert between watts, amps, and volts for electrical circuits. kVA to Amps Calculator Convert kVA to amps for single-phase and three-phase electrical systems. Power Calculator Calculate electrical power, voltage, current, and resistance using Ohm's law. Water Volume Calculator Calculate water volume for tanks, pools, ponds, and irrigation systems. Speed Calculator Calculate speed, distance, or time using the speed-distance-time formula. Convert between units of length, weight, temperature, time, and volume. Currency Converter Convert between currencies with real-time exchange rates. Why Choose Our Calculators? Accurate & Up-to-Date All calculations use current 2026-27 Australian tax rates, superannuation rates, and government policies. Completely Free All our calculators are completely free to use with no hidden fees, registration required, or limitations. Get instant results with our user-friendly interface. No complex forms or lengthy processes required. Popular Australian Financial Calculator Searches