GST Exclusive Calculator

This is useful when you have a final price a customer paid (which already includes GST) and need to know the pre-tax base price — for example, to record revenue net of tax in your books.

No — dividing the inclusive price by (1 + rate) gives the exclusive base price, not a simple percentage subtraction. This calculator handles that division for you automatically.

For extracting the base price, the total GST rate is what matters, not how it was split between CGST/SGST or IGST — the reverse calculation is the same either way.

Yes. Enter the final amount on the bill to see the implied base price and GST amount, then compare it against what the bill itself states.

Yes, enter whichever rate slab applies to the goods or service in question and the calculator will extract the tax accordingly.