GST Calculator

Add GST to a taxable value or extract GST from an inclusive total.

How to use GST Calculator

  1. Enter the values requested by the calculator.
  2. Review the result, formula and detailed breakdown.
  3. Adjust inputs or copy, print and share the result.

Processing and privacy

The supported processing runs locally in your browser.

This tool has a real browser-side processing path and passed representative verification.

Common questions

Is GST Calculator available now?

Available now and verified for normal production use.

Where does processing happen?

The supported processing runs locally in your browser.

Related Calculator tools

  • Income Tax Calculator — Estimate Indian individual income tax for AY 2026–27 under the new or old regime.
  • PPF Calculator — Project Public Provident Fund deposits with annual compounding.
  • EPF Calculator — Project EPF accumulation from employee and employer EPF shares on monthly running balances.
  • FD Calculator — Calculate fixed-deposit maturity using the selected compounding frequency.