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GST Calculator

Add or remove GST from an amount, with the CGST/SGST split shown.

Base amount
Total
What's the difference between adding and removing GST?

"Add GST" treats your amount as the base price and adds tax on top. "Remove GST" treats your amount as the final (tax-inclusive) price and works backward to find the base and tax.

What is CGST and SGST?

For sales within a state, GST is split equally into CGST (Central GST) and SGST (State GST). For interstate sales, the full amount is charged as IGST instead.