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GST Calculator

Updated October 2026 Calculate GST inclusive or exclusive of tax, with the correct CGST/SGST or IGST split. Updated for GST 2.0 — the 56th GST Council rationalised the slabs on 22 September 2025, withdrawing 12% and 28%. The 12%/28% options remain available in a clearly-marked legacy mode so you can reconcile older invoices without guessing.
⚠ Verify before filing. Results are estimates based on the law as applied at the date shown above. Tax rules change — always confirm the current rate or provision at the official source (CBIC or Income Tax Department) before raising an invoice or filing a return. Last reviewed: 12 October 2026.
GST Calculator
Enter an amount to see a live GST breakdown…
GST Calculator

₹1,000 × 18% = ₹180; ₹1,000 + ₹180 = ₹1,180.

Frequently Asked Questions

What are the current GST slabs in India?

Since 22 September 2025 the main slabs are 0%, 5%, 18% and 40%, plus special rates of 3% for gold, silver and jewellery and 0.25% for rough diamonds. The 12% and 28% slabs were withdrawn under GST 2.0.

Can I still charge 12% GST?

No. Charging 12% on an invoice dated on or after 22 September 2025 is incorrect and can attract a penalty under Section 122 of the CGST Act. This calculator keeps 12% and 28% available only for reconciling older invoices, and flags them as legacy.

How is CGST and SGST split?

For intra-state supply the GST is split equally: 18% becomes 9% CGST plus 9% SGST. For inter-state supply the full rate is charged as IGST.

What is the 40% GST slab for?

Demerit, luxury and sin goods — aerated drinks, luxury cars, motorcycles above 350cc, yachts, casinos and online money gaming. Pan masala and most tobacco moved to 40% on Retail Sale Price from 1 February 2026.

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