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GST Calculator

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

Base amount
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Total
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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.