Note
Resources
Useful tools and key dates for faster planning and better compliance awareness.
We have brought together a set of quick calculators and reminder cards that are helpful for businesses, finance teams, and clients who want a practical first check before moving into detailed advice.
GST / BAS Quick Calculator
Estimate GST on a taxable amount
GST$0.00
Net$0.00
Gross$0.00
Assumes standard Australian GST of 10%.
Company Tax Estimate
Estimate tax on taxable profit
Estimated Tax$0.00
After-Tax Profit$0.00
A planning estimate only.
Individual Tax Estimate
Estimate resident tax, levy, and HELP repayment
Income Tax$0.00
LITO Offset$0.00
Medicare Levy$0.00
HELP Repayment$0.00
Total Estimated Liability$0.00
Estimated Take-home$0.00
Effective Rate0.00%
Based on 2025-26 resident tax rates. LITO, Medicare levy, and HELP are included only if selected. Medicare is estimated using single low-income thresholds, and HELP assumes repayment income equals taxable income. MLS, SAPTO, spouse or dependant impacts, and other offsets are not included.
Important Dates
Quick reminders for commonly watched due dates.
BAS Monthly
21st of the following month
Monthly activity statements are generally due on the 21st of the following month.
BAS / PAYG Quarterly
28 Oct, 28 Feb, 28 Apr, 28 Jul
Common quarterly due dates used for BAS and certain PAYG instalment obligations.
Super Guarantee
28 Oct, 28 Jan, 28 Apr, 28 Jul
Quarterly super contribution due dates for employers.
Income Tax Returns
31 October if self-preparing
Tax agent lodgment dates may differ depending on registration and eligibility.
Payroll Tax
State-based and jurisdiction specific
For example, in NSW monthly payroll tax returns are generally due 7 days after month end, with the annual return due 28 July.