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GST Calculator India – Inclusive & Exclusive Tax

Calculate Goods and Services Tax (GST) amount, CGST, SGST, IGST split for standard rates (5%, 12%, 18%, 28%).

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Real-time Live Calculation
Gross Total Amount (Incl. Tax)
₹11,800
GST Amount
₹1,800
GST Rate
18%
Tax Mode
GST Exclusive
For an exclusive price of ₹10,000 at 18% GST, the GST tax added is ₹1,800, bringing the total payable to ₹11,800.

Calculation Breakdown

Net Original Amount
₹10,000
GST Tax (18%)
₹1,800
CGST (9%)
₹900
SGST / UTGST (9%)
₹900
Final Total Amount
₹11,800

Calculation Formula & Methodology

Exclusive: GST = Amount × (Rate/100) | Inclusive: Net Amount = Amount / (1 + Rate/100)

GST exclusive adds tax to net price. GST inclusive extracts original net price and tax portion from total price.

What is GST (Goods and Services Tax)?

GST is an indirect destination-based tax levied on the supply of goods and services across India, replacing complex multi-layered taxes.

How CGST, SGST, and IGST Are Split

For Intra-State sales within the same state, GST is split 50:50 into Central GST (CGST) and State GST (SGST). For Inter-State sales between different states, Integrated GST (IGST) applies.

Example GST Calculation

₹10,000 exclusive amount at 18% GST (Intra-state):

Base Net Amount₹10,000
CGST (9%)₹900
SGST (9%)₹900
Total GST Amount₹1,800
Final Invoice Total₹11,800

Final gross total is ₹11,800.

GST Slab Structure

5% Rate

Packaged foods, transport, basic items.

12% & 18% Rates

IT services, corporate consulting, consumer electronics, invoices.

28% Rate

Automobiles, luxury goods, aerated drinks.

Frequently Asked Questions

Use our ready-made GST Invoice Generator tool to build print-ready GST invoices with tax breakdown.

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