India GST Calculator

Enter an amount, pick the applicable GST slab, and choose whether the amount already includes GST or not.

Reflects GST 2.0 (from 22 Sep 2025) rates (effective 2025-09-22). Last checked 2026-09-11 · v1. Tax rules change — verify against an official source before relying on this for a filing. Source.

India GST Calculator

Add or remove GST from an amount using current GST slab rates.

This is an estimate for general informational purposes. GST slab classification depends on the specific goods/service (HSN/SAC code) — verify the correct slab for your item on the official GST portal before filing or invoicing.

GST (Goods and Services Tax) in India is charged at slab rates that apply to specific categories of goods and services. From 22 September 2025, the GST Council rationalized the rate structure to two primary slabs — 5% and 18% — with a 40% de-merit rate for select luxury and sin goods. Choose “Add GST” if your amount excludes tax, or “Remove GST” if it already includes tax and you want to see the tax break-up.

Example

  • With the default values shown above, this calculator returns: Taxable Value ≈ ₹1000.00; GST Amount ≈ ₹180.00; Total Amount ≈ ₹1180.00.

Frequently Asked Questions

What are the current GST slabs?

Since the GST 2.0 rate rationalization effective 22 September 2025, most goods and services fall under 5% or 18%, with a 40% de-merit rate for select luxury and sin goods, plus a small list of exempt (0%) items.

How do I know which slab applies to my product?

GST slabs are assigned by HSN (goods) or SAC (services) code. Check the official GST rate finder or consult your tax advisor for the correct classification.

Sources

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