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GST calculator showing base amount tax rate GST value inclusive total and exclusive taxable amount

GST Calculator

Calculate the GST amount and total price for a sale or purchase.

Enter values, then tap Calculate

How to Calculate GST in 4 Steps

  1. 1

    Enter the amount.

    Use the taxable value or the tax-inclusive total, depending on the information available.

  2. 2

    Choose inclusive or exclusive.

    Specify whether GST is already included in the amount.

  3. 3

    Enter the applicable rate.

    Use the current rate for the relevant goods, services, jurisdiction, and transaction.

  4. 4

    Review the breakdown.

    Check the taxable value, GST amount, and final total against the invoice rules that apply.