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Amortization Calculator

ATO Tax Withheld Calculator

Payment Arrangement Calculator

Interactive GST calculation worksheet for the BAS

This worksheet allows you to work out GST amounts for your BAS. Do not lodge the worksheet with your BAS. We recommend you file it with a copy of the BAS to which it relates.

Fuel Tax Credit calculator

The fuel tax credit calculator is an easy to use tool that calculates your fuel tax credit entitlements to be claimed on your business activity statement (BAS).

Fuel tax credits calculation worksheet

This worksheet helps you calculate your fuel tax credits to claim on your business activity statement. It also provides information about calculation methods, eligible fuels and fuel tax credit rates. NAT 15634.