India's Most Accurate GST Calculator
(2026 Updated Rates)

Calculate GST, IGST, CGST, and SGST instantly based on the latest Union Budget 2026 guidelines. Trusted by 50,000+ businesses across India for accurate tax compliance.

Updated Jan 16, 2026
CBIC Compliant
100% Free

GST Calculator

Calculate Goods and Services Tax in seconds

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📅 Last updated: January 16, 2026 according to CBIC Notifications. This calculator uses the latest GST rates as per Union Budget 2026.

Current GST Rate Slabs in India (2026)

Comprehensive breakdown of GST tax slabs applicable to different categories of goods and services as per the latest government notifications.

GST Rate Category Items Covered (Examples)
0% Essential Goods Fresh milk, bread, cereals, fresh fruits, vegetables, salt, jaggery, newspapers, educational books, human blood
3% Gold & Precious Metals Gold, silver, platinum, diamonds (cut & polished), precious stones, gold bullion
5% Mass Consumption Items Tea, coffee, spices, edible oils, sugar, coal, medicines, life-saving drugs, fertilizers, domestic LPG, footwear under ₹500
12% Processed Foods Butter, cheese, ghee, frozen vegetables, fruit juices, mobile phones, computers, ayurvedic medicines, tooth powder, umbrellas
18% Standard Goods & Services Soaps, toothpaste, hair oil, capital goods, industrial intermediaries, restaurant services (non-AC), biscuits, cornflakes, IT services
28% Luxury & Sin Goods Luxury cars, motorcycles above 350cc, aircraft, yachts, cigarettes, tobacco, aerated drinks, pan masala, 5-star hotel services, cinema tickets

💡 Note: GST rates are subject to periodic revisions by the GST Council. Additional cess may apply on certain luxury and sin goods. For inter-state transactions, IGST is applicable; for intra-state, CGST + SGST is charged. Always verify current rates from official GST portal before filing returns.

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How is GST Calculated in India?

GST (Goods and Services Tax) calculation in India follows a straightforward mathematical formula. Understanding these formulas is essential for accurate invoice generation and tax compliance.

✅ Formula to ADD GST (Exclusive Price)

GST Amount = (Original Amount × GST Rate) ÷ 100

Total Price = Original Amount + GST Amount

Example: Product price = ₹10,000, GST Rate = 18%
GST Amount = (10,000 × 18) ÷ 100 = ₹1,800
Total Price = ₹10,000 + ₹1,800 = ₹11,800

✅ Formula to REMOVE GST (Inclusive Price)

Original Amount = (Total Price × 100) ÷ (100 + GST Rate)

GST Amount = Total Price - Original Amount

Example: Total price = ₹11,800, GST Rate = 18%
Original Amount = (11,800 × 100) ÷ 118 = ₹10,000
GST Amount = ₹11,800 - ₹10,000 = ₹1,800

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Step 1

Identify the GST rate applicable to your product/service

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Step 2

Apply the appropriate formula (add or remove GST)

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Step 3

Split into CGST/SGST or IGST based on transaction type

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Difference between CGST, SGST, and IGST

Understanding the three types of GST is crucial for compliance and proper tax filing. The type of GST applicable depends on the nature of the transaction.

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CGST

Central GST - Collected by Central Government

  • ✓ Applies to intra-state sales
  • ✓ Equal to 50% of total GST
  • ✓ Revenue goes to Central Govt
Example: 18% GST = 9% CGST
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SGST

State GST - Collected by State Government

  • ✓ Applies to intra-state sales
  • ✓ Equal to 50% of total GST
  • ✓ Revenue goes to State Govt
Example: 18% GST = 9% SGST
🌐

IGST

Integrated GST - For Inter-state

  • ✓ Applies to inter-state sales
  • ✓ Equal to full GST rate
  • ✓ Later divided between govts
Example: 18% GST = 18% IGST

💡 Key Takeaway for Indian Businesses

Intra-state transaction (seller and buyer in the same state) → Charge CGST + SGST
Inter-state transaction (seller and buyer in different states) → Charge IGST

This dual structure ensures revenue sharing between central and state governments while maintaining a unified tax system across India.

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What is HSN Code?

HSN (Harmonized System of Nomenclature) is an internationally standardized system of names and numbers developed by the World Customs Organization (WCO) to classify traded products. India adopted HSN codes for GST to ensure uniformity in product classification.

📋 Purpose of HSN Codes

  • • Uniform classification of goods across the country
  • • Eliminate confusion in tax rate application
  • • Facilitate data analysis and policy formulation
  • • Mandatory on GST invoices (for certain turnover limits)

📊 HSN Code Requirements

  • ✓ Turnover > ₹5 Cr: 6-digit HSN code mandatory
  • ✓ Turnover ₹1.5-5 Cr: 4-digit HSN code mandatory
  • ✓ Turnover < ₹1.5 Cr: HSN optional
  • ✓ Export invoices: 8-digit HSN mandatory

📌 HSN Code Examples

1006

Rice (Chapter 10 - Cereals)

8517

Telephones & Mobile Phones

6203

Men's Suits & Trousers

3004

Medicaments (Pharmaceutical)

🔍 Need to find HSN codes for your products?

Visit the official CBIC website or use the GST portal's HSN search functionality to find the correct classification for your goods. Accurate HSN coding ensures correct GST rate application and compliance.

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