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India GST calculator

Estimate a tax-exclusive or tax-inclusive price at a selected GST rate, with CGST and SGST/UTGST or IGST.

Confirm the rate applicable to your supply. Enter an amount and rate with at most two decimal places.

Estimated result

Rates and rounding

Following the 2025 reforms, the main rates are 5% and 18%; a 40% rate, other rates, exemptions and special rules can apply to particular supplies. This calculator does not classify goods or determine the applicable rate. Check the notification and date for your supply.

This is a price estimate, not a tax return or tax payable. Each tax component is rounded separately to the nearest paisa; CGST plus SGST/UTGST can therefore differ by one paisa from rounding the combined rate once. Compensation cess, input tax credits, reverse charge and other special rules are excluded.

Official sources

Government of India: 2025 GST reforms · CBIC: supply types and GST components