🇦🇺 Australia · AUD
All Your Calculators in One Place
80+ free calculators for mortgage, tax, salary, investments and more — all in AUD.
84 calculators found
Mortgage Calculator
Calculate your monthly mortgage payments instantly. Enter loan amount, interest rate and term.
£300k at 4.5% over 25 years = £1,520/month
Loan Repayment Calculator
Calculate monthly loan repayments and total interest for any personal or business loan.
£20k loan at 4% over 5 years = £368/month
Mortgage Affordability Calculator
Find out how much mortgage you can afford based on your income and outgoings.
£200k @ 4% for 20 years = £955/month
Mortgage Overpayment Calculator
See how much time and interest you save by overpaying your mortgage each month.
£200k @ 4% for 20 years = £955/month
Stamp Duty Calculator
Calculate stamp duty land tax (SDLT) on residential property purchases.
£350k property = £6,250 stamp duty
Interest-Only Mortgage Calculator
Calculate interest-only mortgage monthly payments and total interest cost.
£200k @ 4% for 20 years = £955/month
Refinancing Calculator
Find out how much you save by remortgaging and when you break even on fees.
Try our refinancing calculator for instant results
Early Repayment Savings Calculator
See how much interest you save by paying off your mortgage or loan early.
£10,000 at 5% for 10 years
Fixed vs Variable Mortgage Calculator
Compare fixed and variable rate mortgages side by side.
£200k @ 4% for 20 years = £955/month
Buy-to-Let Yield Calculator
Calculate gross and net rental yield on buy-to-let investment properties.
£5,000 investment at 8% annual return
Salary After Tax Calculator
Calculate your take-home pay after income tax and national insurance or social security.
£50,000 salary = £38,500 take-home
Hourly to Salary Calculator
Convert your hourly wage to annual, monthly and weekly salary instantly.
£45,000 annual income
Overtime Pay Calculator
Calculate overtime earnings with any multiplier — time-and-a-half, double time, and more.
Try our overtime pay calculator for instant results
Income Tax Calculator
Calculate income tax across all bands. Enter your personal allowance for your country.
£50,000 income = £7,500 tax
Pension Contribution Calculator
Calculate pension or retirement contributions, employer match, and tax relief.
Try our pension contribution calculator for instant results
Compound Interest Calculator
Calculate how your investment grows with compound interest over time.
£10k at 5% for 20 years = £26,533
Investment Return Calculator
Calculate total and annualised return on any investment.
£10k investment at 7% return for 20 years = £38,697
Savings Growth Calculator
Project your savings with regular monthly contributions and compound interest.
£500/month at 3% for 10 years = £62,889
Retirement Savings Calculator
Calculate how much you will have at retirement based on your savings and contributions.
£10,000 at 5% for 10 years
Dividend Yield Calculator
Calculate the dividend yield and annual income from your stock holdings.
£100 share price, £2 annual dividend = 2% yield
Rental Yield Calculator
Calculate gross rental yield on any investment property.
£300k property, £1,500/month rent = 6% yield
ROI Calculator
Calculate return on investment as a percentage for any investment.
£5,000 investment at 8% annual return
Capital Growth Calculator
Calculate total and annualised capital growth on your property investment.
£300k property at 5% growth per year = £468k after 10 years
Property Flipping Profit Calculator
Calculate profit and ROI on property flipping projects including renovation costs.
£250,000 property
Mortgage vs Rent Calculator
Compare the monthly cost of buying versus renting to make an informed decision.
£200k @ 4% for 20 years = £955/month
BMI Calculator
Calculate your Body Mass Index (BMI) instantly.
1.75m tall, 75kg = BMI 24.5 (healthy)
BMR Calculator
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.
Try our bmr calculator for instant results
Calorie Calculator
Calculate your daily calorie needs for maintenance, weight loss, or weight gain.
Sedentary male, 30yo, 5'10" = 2,400 cal/day
Body Fat Calculator
Estimate body fat percentage using the US Navy circumference method.
Try our body fat calculator for instant results
Macros Split Calculator
Calculate your daily protein, carbs, and fat macros from your calorie target.
Try our macros split calculator for instant results
Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup for any business.
£100k revenue, £30k COGS = 70% gross margin
Break-Even Calculator
Calculate break-even point in units and revenue for your business.
£50k fixed costs, £20 cost per unit, £50 price = 2,000 units
Invoice Totals Calculator
Calculate invoice totals including VAT or sales tax and discounts.
Try our invoice totals calculator for instant results
VAT Calculator
Add or remove VAT or sales tax from any amount. Works for any tax rate.
Try our vat calculator for instant results
Hourly Rate Calculator
Calculate the minimum hourly rate you need to charge as a freelancer to hit your income goal.
Try our hourly rate calculator for instant results
Percentage Calculator
Calculate percentages instantly — what percent is X of Y, and percentage of a number.
Try our percentage calculator for instant results
Unit Converter
Convert between units of measurement using a custom conversion factor.
Try our unit converter for instant results
Currency Converter
Convert between any two currencies using the latest exchange rate.
Try our currency converter for instant results
Loan-to-Value Calculator
Calculate your loan-to-value ratio to find the best mortgage rates.
£200k @ 4% for 20 years = £955/month
Timezone Converter
Convert times between any two time zones using UTC offsets.
Try our timezone converter for instant results
Car Loan Calculator
Calculate monthly car finance payments and total interest. Compare deposit amounts and terms.
£15k car, £3k deposit, 7.9% APR = £267/month
Car Depreciation Calculator
Calculate how much your car will depreciate over time. See future value and total loss.
£20k car at 15% depreciation = £10,368 after 5 years
Fuel Cost Calculator
Calculate annual fuel costs based on your mileage, MPG, and fuel price per litre.
10k miles/year, 40 MPG, £1.50/L = £936/year
Electric vs Petrol Calculator
Compare annual running costs of electric vs petrol cars based on your mileage and energy prices.
Try our electric vs petrol calculator for instant results
Car Running Cost Calculator
Calculate total annual car running costs including fuel, insurance, depreciation and servicing.
Try our car running cost calculator for instant results
EV Charging Cost Calculator
Calculate electric car charging costs per charge, per month and per mile at home or public chargers.
Try our ev charging cost calculator for instant results
Electricity Cost Calculator
Calculate your electricity costs per day, month and year based on your usage and unit rate.
2,000 kWh/year at £0.24/kWh = £480/year
Gas Bill Calculator
Calculate your monthly and annual gas bill from your daily usage, unit rate and standing charge.
Try our gas bill calculator for instant results
Solar Panel Savings Calculator
Calculate solar panel savings, payback period and 10-year return based on your system size and energy prices.
£10,000 at 5% for 10 years
Energy Bill Calculator
Calculate your total annual energy bill combining gas and electricity usage, unit rates and standing charges.
Try our energy bill calculator for instant results
Capital Gains Tax Calculator
Calculate Capital Gains Tax on property and investments. Updated for 2025/26 CGT rates.
£45,000 annual income
Inheritance Tax Calculator
Calculate inheritance tax liability on an estate. Includes nil rate band and residence nil rate band.
£45,000 annual income
National Insurance Calculator
Calculate employee National Insurance contributions on your salary. Updated for 2025/26 NI rates.
Car value £15,000, age 3 years
Corporation Tax Calculator
Calculate corporation tax on company profits including marginal relief for profits between £50,000 and £250,000.
£45,000 annual income
Dividend Tax Calculator
Calculate tax on dividend income including allowances and your tax band. Updated for 2025/26.
£45,000 annual income
ISA Calculator
Project your ISA value with compound growth. Calculate tax-free returns on your annual ISA contributions.
Try our isa calculator for instant results
Index Fund Calculator
Project index fund investment growth with lump sum and regular contributions. See long-term compound returns.
Try our index fund calculator for instant results
SIPP Calculator
Calculate SIPP pension pot growth with tax relief. Project your retirement fund from annual contributions.
Try our sipp calculator for instant results
Equity Release Calculator
Calculate how much equity you could release from your home and the total rolled-up interest owed.
Try our equity release calculator for instant results
Second Home Stamp Duty Calculator
Calculate stamp duty on second homes and buy-to-let properties including the 3% additional property surcharge.
Try our second home stamp duty calculator for instant results
Bridging Loan Calculator
Calculate bridging loan costs including monthly interest, arrangement fees and total cost of borrowing.
£200k @ 4% for 20 years = £955/month
Deposit Savings Calculator
Calculate how long it will take to save a house deposit based on your monthly savings and interest rate.
£10,000 at 5% for 10 years
Landlord Profit Calculator
Calculate monthly and annual landlord profit after mortgage, agent fees, maintenance and insurance.
Try our landlord profit calculator for instant results
Rent Increase Calculator
Calculate the new monthly rent after a percentage increase and see the extra monthly and annual cost.
£250,000 property
Ideal Weight Calculator
Calculate your ideal weight range based on height and healthy BMI. Find your target weight.
Try our ideal weight calculator for instant results
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity level.
Try our water intake calculator for instant results
Running Pace Calculator
Calculate running pace per km and per mile from your distance and time. Convert between pace and speed.
Try our running pace calculator for instant results
Heart Rate Zone Calculator
Calculate personalised heart rate training zones using the Karvonen method. Find your fat burn and aerobic zones.
Try our heart rate zone calculator for instant results
IR35 Calculator
Calculate take-home pay inside IR35. See how much you keep from your contract rate after PAYE tax and NI.
Try our ir35 calculator for instant results
Dividend vs Salary Calculator
Calculate the most tax-efficient salary and dividend split for limited company directors.
£45,000 annual income
Employee Cost Calculator
Calculate the true total cost of an employee including employer NI, pension contributions and benefits.
Try our employee cost calculator for instant results
Markup Calculator
Calculate selling price from cost and markup percentage. See gross profit and gross margin instantly.
Try our markup calculator for instant results
Tip Calculator
Calculate tip amount, total bill and per-person share for any restaurant or service. Split evenly in seconds.
Try our tip calculator for instant results
Split Bill Calculator
Split a restaurant bill equally between any number of people, with or without a tip.
Try our split bill calculator for instant results
Wedding Budget Calculator
Plan your wedding budget with a recommended breakdown by venue, catering, photography and more.
Try our wedding budget calculator for instant results
Holiday Cost Calculator
Calculate total holiday costs including flights, hotel, and spending money for any number of people.
Try our holiday cost calculator for instant results
Childcare Cost Calculator
Calculate annual and monthly childcare costs after free hours entitlement and Tax-Free Childcare savings.
Try our childcare cost calculator for instant results
Car Insurance Calculator
Estimate your annual car insurance cost based on vehicle value, age, and claims history.
Car value £15,000, age 3 years
Home Insurance Calculator
Calculate estimated home insurance costs based on property value and risk factors.
Car value £15,000, age 3 years
Credit Card Payoff Calculator
Calculate how long it takes to pay off a credit card and see total interest costs.
£3,000 balance at 18% APR
Debt Consolidation Calculator
Calculate potential savings from consolidating high-interest debts into a lower-rate loan.
£3,000 balance at 18% APR
Student Loan Repayment Calculator
Calculate monthly payments and total cost for repaying student loans over time.
£200k @ 4% for 20 years = £955/month
Cost of University Calculator
Estimate total university costs including tuition, accommodation, and living expenses.
Try our cost of university calculator for instant results
Buy-to-Let ROI Calculator
Calculate rental profits and return on investment for buy-to-let property investments.
£5,000 investment at 8% annual return
🔧Finance & Mortgages
Mortgage Calculator
Calculate your monthly mortgage payments instantly. Enter loan amount, interest rate and term.
£300k at 4.5% over 25 years = £1,520/month
Loan Repayment Calculator
Calculate monthly loan repayments and total interest for any personal or business loan.
£20k loan at 4% over 5 years = £368/month
Mortgage Affordability Calculator
Find out how much mortgage you can afford based on your income and outgoings.
£200k @ 4% for 20 years = £955/month
Mortgage Overpayment Calculator
See how much time and interest you save by overpaying your mortgage each month.
£200k @ 4% for 20 years = £955/month
Stamp Duty Calculator
Calculate stamp duty land tax (SDLT) on residential property purchases.
£350k property = £6,250 stamp duty
Interest-Only Mortgage Calculator
Calculate interest-only mortgage monthly payments and total interest cost.
£200k @ 4% for 20 years = £955/month
Refinancing Calculator
Find out how much you save by remortgaging and when you break even on fees.
Try our refinancing calculator for instant results
Early Repayment Savings Calculator
See how much interest you save by paying off your mortgage or loan early.
£10,000 at 5% for 10 years
Fixed vs Variable Mortgage Calculator
Compare fixed and variable rate mortgages side by side.
£200k @ 4% for 20 years = £955/month
Buy-to-Let Yield Calculator
Calculate gross and net rental yield on buy-to-let investment properties.
£5,000 investment at 8% annual return
Equity Release Calculator
Calculate how much equity you could release from your home and the total rolled-up interest owed.
Try our equity release calculator for instant results
Second Home Stamp Duty Calculator
Calculate stamp duty on second homes and buy-to-let properties including the 3% additional property surcharge.
Try our second home stamp duty calculator for instant results
Bridging Loan Calculator
Calculate bridging loan costs including monthly interest, arrangement fees and total cost of borrowing.
£200k @ 4% for 20 years = £955/month
Deposit Savings Calculator
Calculate how long it will take to save a house deposit based on your monthly savings and interest rate.
£10,000 at 5% for 10 years
🔧Tax & Salary
Salary After Tax Calculator
Calculate your take-home pay after income tax and national insurance or social security.
£50,000 salary = £38,500 take-home
Hourly to Salary Calculator
Convert your hourly wage to annual, monthly and weekly salary instantly.
£45,000 annual income
Overtime Pay Calculator
Calculate overtime earnings with any multiplier — time-and-a-half, double time, and more.
Try our overtime pay calculator for instant results
Income Tax Calculator
Calculate income tax across all bands. Enter your personal allowance for your country.
£50,000 income = £7,500 tax
Pension Contribution Calculator
Calculate pension or retirement contributions, employer match, and tax relief.
Try our pension contribution calculator for instant results
Capital Gains Tax Calculator
Calculate Capital Gains Tax on property and investments. Updated for 2025/26 CGT rates.
£45,000 annual income
Inheritance Tax Calculator
Calculate inheritance tax liability on an estate. Includes nil rate band and residence nil rate band.
£45,000 annual income
National Insurance Calculator
Calculate employee National Insurance contributions on your salary. Updated for 2025/26 NI rates.
Car value £15,000, age 3 years
Corporation Tax Calculator
Calculate corporation tax on company profits including marginal relief for profits between £50,000 and £250,000.
£45,000 annual income
Dividend Tax Calculator
Calculate tax on dividend income including allowances and your tax band. Updated for 2025/26.
£45,000 annual income
🔧Investments & Savings
Compound Interest Calculator
Calculate how your investment grows with compound interest over time.
£10k at 5% for 20 years = £26,533
Investment Return Calculator
Calculate total and annualised return on any investment.
£10k investment at 7% return for 20 years = £38,697
Savings Growth Calculator
Project your savings with regular monthly contributions and compound interest.
£500/month at 3% for 10 years = £62,889
Retirement Savings Calculator
Calculate how much you will have at retirement based on your savings and contributions.
£10,000 at 5% for 10 years
Dividend Yield Calculator
Calculate the dividend yield and annual income from your stock holdings.
£100 share price, £2 annual dividend = 2% yield
ISA Calculator
Project your ISA value with compound growth. Calculate tax-free returns on your annual ISA contributions.
Try our isa calculator for instant results
Index Fund Calculator
Project index fund investment growth with lump sum and regular contributions. See long-term compound returns.
Try our index fund calculator for instant results
SIPP Calculator
Calculate SIPP pension pot growth with tax relief. Project your retirement fund from annual contributions.
Try our sipp calculator for instant results
🔧Property & Real Estate
Rental Yield Calculator
Calculate gross rental yield on any investment property.
£300k property, £1,500/month rent = 6% yield
ROI Calculator
Calculate return on investment as a percentage for any investment.
£5,000 investment at 8% annual return
Capital Growth Calculator
Calculate total and annualised capital growth on your property investment.
£300k property at 5% growth per year = £468k after 10 years
Property Flipping Profit Calculator
Calculate profit and ROI on property flipping projects including renovation costs.
£250,000 property
Mortgage vs Rent Calculator
Compare the monthly cost of buying versus renting to make an informed decision.
£200k @ 4% for 20 years = £955/month
Landlord Profit Calculator
Calculate monthly and annual landlord profit after mortgage, agent fees, maintenance and insurance.
Try our landlord profit calculator for instant results
Rent Increase Calculator
Calculate the new monthly rent after a percentage increase and see the extra monthly and annual cost.
£250,000 property
Buy-to-Let ROI Calculator
Calculate rental profits and return on investment for buy-to-let property investments.
£5,000 investment at 8% annual return
🔧Health & Lifestyle
BMI Calculator
Calculate your Body Mass Index (BMI) instantly.
1.75m tall, 75kg = BMI 24.5 (healthy)
BMR Calculator
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.
Try our bmr calculator for instant results
Calorie Calculator
Calculate your daily calorie needs for maintenance, weight loss, or weight gain.
Sedentary male, 30yo, 5'10" = 2,400 cal/day
Body Fat Calculator
Estimate body fat percentage using the US Navy circumference method.
Try our body fat calculator for instant results
Macros Split Calculator
Calculate your daily protein, carbs, and fat macros from your calorie target.
Try our macros split calculator for instant results
Ideal Weight Calculator
Calculate your ideal weight range based on height and healthy BMI. Find your target weight.
Try our ideal weight calculator for instant results
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity level.
Try our water intake calculator for instant results
Running Pace Calculator
Calculate running pace per km and per mile from your distance and time. Convert between pace and speed.
Try our running pace calculator for instant results
Heart Rate Zone Calculator
Calculate personalised heart rate training zones using the Karvonen method. Find your fat burn and aerobic zones.
Try our heart rate zone calculator for instant results
🔧Business & Freelance
Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup for any business.
£100k revenue, £30k COGS = 70% gross margin
Break-Even Calculator
Calculate break-even point in units and revenue for your business.
£50k fixed costs, £20 cost per unit, £50 price = 2,000 units
Invoice Totals Calculator
Calculate invoice totals including VAT or sales tax and discounts.
Try our invoice totals calculator for instant results
VAT Calculator
Add or remove VAT or sales tax from any amount. Works for any tax rate.
Try our vat calculator for instant results
Hourly Rate Calculator
Calculate the minimum hourly rate you need to charge as a freelancer to hit your income goal.
Try our hourly rate calculator for instant results
IR35 Calculator
Calculate take-home pay inside IR35. See how much you keep from your contract rate after PAYE tax and NI.
Try our ir35 calculator for instant results
Dividend vs Salary Calculator
Calculate the most tax-efficient salary and dividend split for limited company directors.
£45,000 annual income
Employee Cost Calculator
Calculate the true total cost of an employee including employer NI, pension contributions and benefits.
Try our employee cost calculator for instant results
Markup Calculator
Calculate selling price from cost and markup percentage. See gross profit and gross margin instantly.
Try our markup calculator for instant results
🔧Miscellaneous
Percentage Calculator
Calculate percentages instantly — what percent is X of Y, and percentage of a number.
Try our percentage calculator for instant results
Unit Converter
Convert between units of measurement using a custom conversion factor.
Try our unit converter for instant results
Currency Converter
Convert between any two currencies using the latest exchange rate.
Try our currency converter for instant results
Loan-to-Value Calculator
Calculate your loan-to-value ratio to find the best mortgage rates.
£200k @ 4% for 20 years = £955/month
Timezone Converter
Convert times between any two time zones using UTC offsets.
Try our timezone converter for instant results
🔧Car & Transport
Car Loan Calculator
Calculate monthly car finance payments and total interest. Compare deposit amounts and terms.
£15k car, £3k deposit, 7.9% APR = £267/month
Car Depreciation Calculator
Calculate how much your car will depreciate over time. See future value and total loss.
£20k car at 15% depreciation = £10,368 after 5 years
Fuel Cost Calculator
Calculate annual fuel costs based on your mileage, MPG, and fuel price per litre.
10k miles/year, 40 MPG, £1.50/L = £936/year
Electric vs Petrol Calculator
Compare annual running costs of electric vs petrol cars based on your mileage and energy prices.
Try our electric vs petrol calculator for instant results
Car Running Cost Calculator
Calculate total annual car running costs including fuel, insurance, depreciation and servicing.
Try our car running cost calculator for instant results
EV Charging Cost Calculator
Calculate electric car charging costs per charge, per month and per mile at home or public chargers.
Try our ev charging cost calculator for instant results
🔧Energy & Bills
Electricity Cost Calculator
Calculate your electricity costs per day, month and year based on your usage and unit rate.
2,000 kWh/year at £0.24/kWh = £480/year
Gas Bill Calculator
Calculate your monthly and annual gas bill from your daily usage, unit rate and standing charge.
Try our gas bill calculator for instant results
Solar Panel Savings Calculator
Calculate solar panel savings, payback period and 10-year return based on your system size and energy prices.
£10,000 at 5% for 10 years
Energy Bill Calculator
Calculate your total annual energy bill combining gas and electricity usage, unit rates and standing charges.
Try our energy bill calculator for instant results
🔧Lifestyle & Everyday
Tip Calculator
Calculate tip amount, total bill and per-person share for any restaurant or service. Split evenly in seconds.
Try our tip calculator for instant results
Split Bill Calculator
Split a restaurant bill equally between any number of people, with or without a tip.
Try our split bill calculator for instant results
Wedding Budget Calculator
Plan your wedding budget with a recommended breakdown by venue, catering, photography and more.
Try our wedding budget calculator for instant results
Holiday Cost Calculator
Calculate total holiday costs including flights, hotel, and spending money for any number of people.
Try our holiday cost calculator for instant results
Childcare Cost Calculator
Calculate annual and monthly childcare costs after free hours entitlement and Tax-Free Childcare savings.
Try our childcare cost calculator for instant results
🔧Insurance
🔧Credit & Debt
🔧Education & Training
Student Loan Repayment Calculator
Calculate monthly payments and total cost for repaying student loans over time.
£200k @ 4% for 20 years = £955/month
Cost of University Calculator
Estimate total university costs including tuition, accommodation, and living expenses.
Try our cost of university calculator for instant results
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