GST 2.0: The New GST Slabs Explained for Small Businesses

India’s GST regime has been streamlined under GST 2.0, replacing the older multi-rate structure with a cleaner set of slabs. If you run a business, sell online, or are about to register for GST, here’s what actually changed and what it means for you.

The four GST 2.0 slabs

GST 2.0 consolidates rates into four clear slabs:

Slab	Category	Typical use
0%	Nil-rated / exempt	Essential goods and specified services
5%	Merit / concessional	Everyday essentials and mass-use items
18%	Standard	Most goods and services
40%	Luxury & sin	Luxury items, tobacco and similar categories

For most small businesses and service providers, the 18% standard rate is the one you’ll deal with day to day. The 40% slab is reserved for luxury and “sin” categories, while 0% and 5% cover essentials.

Why the change matters

The earlier structure had more rate buckets, which made classification confusing and disputes common. Fewer slabs mean:

• Simpler classification — less guesswork about which rate applies.
• Fewer disputes and notices — clearer categories reduce mismatches.
• Easier compliance — invoicing and return filing are more predictable.

How to calculate GST quickly

Working out GST is straightforward once you know the rate:

• Adding GST (rate 18%): on a base of ₹10,000, GST is ₹1,800, so the invoice total is ₹11,800.
• Removing GST (extracting from an inclusive amount): on ₹11,800 inclusive at 18%, the base is ₹10,000 and GST is ₹1,800.

For an intra-state sale, that GST splits equally into CGST and SGST (9% + 9%). For an inter-state sale, the full amount is IGST.

Rather than doing this by hand, use our free GST Calculator — pick the slab, enter the amount, and it shows the CGST/SGST/IGST split instantly.

Do you need to register for GST?

You must register for GST if any of these apply:

• Turnover crosses ₹40 lakh (goods) or ₹20 lakh (services) — lower in special-category states.
• You sell inter-state.
• You sell through e-commerce platforms like Amazon or Flipkart.

Many businesses also register voluntarily to claim input tax credit on their purchases.

If you’re not sure which slab your product or service falls under, or whether you need to register, that’s exactly the kind of thing our experts sort out every day. You can get your GST registration done or simply talk to an expert for a free, no-obligation answer.

The bottom line

GST 2.0 makes the rate structure simpler: 0%, 5%, 18% and 40%, plus special cases. Know your slab, invoice correctly, file on time — and lean on a good compliance partner when the classification gets tricky.

This article is for general guidance only and is not tax advice. Rates and applicability depend on your specific goods/services — confirm with a qualified professional.