Guide
Sign-On Bonus After Tax in Australia
Estimate the after-tax value of a sign-on bonus or joining payment.
Plain-English answer
Helpful before using the calculator
Updated 2026-07-11
What this page helps you answer
What this pay, tax or salary topic means in simple terms.
What number or setting to check next in the calculator.
Check repayment clauses
Some sign-on bonuses must be repaid if you leave within a certain period, so read the offer carefully.
Withholding may look high
Payroll may withhold differently on a one-off payment, but final tax depends on annual income.
Compare net value
Use the bonus calculator to estimate how much of the gross bonus may be retained after tax and repayments.
Common questions
Is a sign-on bonus taxed?
It is generally income, though exact treatment depends on the payment and circumstances.
Is a bonus better than salary?
A bonus is one-off. Salary is recurring and may affect future increases and super.