No TFN • No employer details • No bank details
BONUSSPLIT AUSTRALIA

How Australian Bonus Tax Withholding Works

Understand the difference between PAYG withholding on a bonus and final annual income tax.

What this page helps you do

BonusSplit uses deterministic calculations and presents ATO evidence, while its explanation layer is intended to clarify the rules rather than invent arithmetic.

Try the BonusSplit calculator

What BonusSplit shows

  • Estimated cash from the bonus
  • Amount salary sacrificed to super
  • Estimated PAYG withholding
  • Optional refinements where they materially affect the estimate
  • Financial-year and ATO source information used by the calculation

Privacy by design

You do not need to provide your name, TFN, employer, bank details or an account to use the calculator. The production no-storage/no-sharing claim is gated by a network and server-log privacy audit before launch.