The pay calculator has been designed by embedding Tax rates and formulas provided by ATO. Calculations are accurate and consider the Pay-as-you-go Tax Tables. It calculates the tax withheld amounts, which can be utilised by an employer to calculate their PAYG tax liability due periodically. The tool is up to date and can provide you with accurate weekly, fortnightly, or monthly pay/salary amounts. Which generally is the after-tax amount that gets credited to your bank account.