Online Tools and Calculator

Reverse GST Calculator

Find the base price and GST inside a GST-inclusive amount.

%

Result

Fill in the fields and tap Calculate to see your result.

Estimate based on the figures you enter. Check with a tax professional or the official income tax portal.

How to use the Reverse GST Calculator

  1. Enter amount including GST.
  2. Enter GST rate.
  3. Tap Calculate to see the result.
  4. Tap Reset to clear the fields and try again.

Last updated: 1 November 2026

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