Free tool
SMSF GST calculator
Enter any GST-inclusive amount to instantly see the GST component using the Australian 1/11th method.
Calculate GST
Amount ex-GST
$100.00
GST (1/11th)
$10.00
Total (inc-GST)
$110.00
Formula: GST = total ÷ 11. The ex-GST amount is total − GST.
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