Income Calculators — Australian Tax & Lender Income Tools.
Calculate your Australian income tax for the current financial year, plus annualise irregular income and work out gross from net the way lenders do.
What's in this category
Three calculators that help you understand your income from two angles: the tax angle (what you owe the ATO and what's left over), and the lender angle (how Australian lenders convert your pay into an annual figure for serviceability). If you're applying for a home loan, the lender's view of your income matters as much as the ATO's — and these calculators help you anticipate both.
Income tax calculator
- ATO marginal tax brackets for the current FY
- Medicare levy (2% standard)
- Medicare levy surcharge (where applicable, based on income and private health cover)
- Low Income Tax Offset (LITO) and other applicable offsets
Enter your gross annual income to see:
- Tax payable to the ATO
- Net take-home pay (annual, monthly, fortnightly, weekly)
- Effective tax rate vs marginal tax rate
- Medicare levy component
Note on accuracy: the calculator uses current published ATO brackets and standard offsets. It doesn't account for deductions, capital gains, business income, foreign income, or other personal circumstances — for a complete picture, consult your accountant.
Income annualisation calculator
Converts irregular or part-year income into an annualised figure. Useful when you've started a new job mid-year, when you're paid weekly or fortnightly and want an annual equivalent, or when you have variable income that needs to be presented to a lender as an annual figure.
Common scenarios this calculator handles:
- New job started part-way through the financial year — convert YTD income to annual equivalent
- Weekly or fortnightly pay — see your annual salary
- Variable shift income — annualise based on average shift income over a period
- Multiple income sources — sum them into a single annual figure
Why this matters for a loan application: lenders convert all income to an annual figure for serviceability assessment. Different lenders annualise differently — some take the most recent two payslips, some take YTD divided by months elapsed, some require three months of stable income for shift workers. Knowing your annualised number helps you present your income consistently.
Income gross-up calculator
Works the opposite way to the tax calculator — you enter your net (after-tax) income, and the calculator works backward to your gross (pre-tax) figure, including:
- The gross income before PAYG tax
- The PAYG tax that was withheld
- The Medicare levy component
Useful for:
- Self-employed or contractor income negotiations — work out what gross rate you need to charge to net a target take-home figure
- Salary negotiations — convert “I want $X take-home” into the gross salary equivalent
- Reverse-engineering payslips — when you know what's hitting your account but want to verify gross
How lenders read your income
The biggest disconnect we see in loan applications is between what you think your income is and what the lender counts.
A few things to know:
- Base salary is fully counted. No surprises here.
- Overtime and allowances are usually counted at 80% (some lenders take 100% with two years of history, some take 50%).
- Bonuses and commission typically need a two-year average, sometimes shaded by 20–50%.
- Secondary employment counted at 80–100% depending on the lender and the length of history.
- Rental income typically counted at 80% (allowing for vacancy and management costs).
- Self-employed income — most lenders want two years of tax returns and BAS; specialist lenders accept one year or alternative documentation.
Public servants on stable APS salaries are usually assessed favourably — but the way allowances and higher-duties pay are treated varies widely between lenders. If your income includes variable components, that’s worth a conversation.
Browse other calculator categories
Property Calculators
Stamp duty, buying costs, rent vs buy
Income Calculators
Australian income tax and lender income tools
Savings Calculators
Compound interest, budget, savings goals
Home loan calculator questions
Q1- Are the tax calculator's numbers exact?
They're accurate for the standard PAYG case — base salary, Medicare levy, and standard offsets at current ATO rates. They don't include deductions you might claim (work-related expenses, charitable giving, etc.) or non-salary income types (capital gains, business income, foreign income). For a complete tax picture, consult your accountant or the ATO's own calculator.
Q2 - Do these calculators update each financial year?
Yes — income tax brackets, the Medicare levy, and offsets are updated at the start of each Australian financial year (1 July) as the ATO publishes the new rates.
Q3 - How do lenders calculate my income for a home loan?
Each lender has its own policy. Most start from your gross taxable income, then apply shading factors to variable income components (overtime at 80%, bonuses averaged over 2 years, etc.). The result is your
Q4 - Why does my net pay differ from the calculator's output?
The most common reasons: salary sacrifice arrangements (super, novated leases, etc.) aren't reflected in the calculator; HECS/HELP repayments aren't included by default; private health insurance can affect the Medicare levy surcharge. Add these manually for an accurate net figure.
Q5- Does the calculator handle HECS/HELP repayments?
Some versions of the income tax calculator allow you to add HECS/HELP. Repayment rates are income-tested and update annually — check the latest ATO thresholds for the current financial year.
