How is CGST and SGST split?

For intra-state supply, GST is split equally into CGST and SGST — so each is half the total GST. This tool shows that split.

How does 'Remove GST' work?

It treats your amount as GST-inclusive and works backwards to the base price: base = amount ÷ (1 + rate).

It's a calculation aid, not tax advice. Always confirm the correct rate for your specific goods or service.

No — the calculation runs entirely in your browser.

Add or remove GST at any rate, with the CGST/SGST split shown — instant, in your browser. Great for invoices and quick checks.

Amount (before GST)

GST rate

Base amount₹1,000

CGST (9%)₹90

SGST (9%)₹90

Total GST₹180

Total (incl. GST)₹1,180

For calculation only — verify the applicable rate for your goods/service. Runs in your browser.

Processed 100% in your browser — nothing you enter here is ever uploaded.

Work out the GST to add to a price and the total payable.

Find the base price and tax from a GST-inclusive amount.

Verify the GST on a bill in seconds.

Choose Add GST (amount is before tax) or Remove GST (amount already includes tax).

Enter the amount.

Pick the GST rate — 3, 5, 12, 18 or 28% — or type a custom rate.

See the base amount, the CGST/SGST split, total GST and the final amount instantly.