HomeGST Calculator

GST Calculator India 2026

Calculate GST amount instantly for any product or service. Add or remove GST with our free calculator. Supports all GST slabs.

Calculation Type

Enter Amount (₹)
₹100₹10,00,000+

GST Rate

Pre-GST Amount

₹1,000

GST Amount

₹180

Total Amount

₹1,180

Tax Breakdown

CGST (9%)₹90
SGST (9%)₹90
IGST (18%) (Inter-state)₹180

What is GST?

GST (Goods and Services Tax) is India's comprehensive indirect tax system. It was introduced in July 2017 to replace multiple taxes like VAT, excise duty, and service tax.

GST is levied at the point of sale and applies to both goods and services. There are four main GST slabs: 5%, 12%, 18%, and 28%, depending on the product or service category.

GST Slabs in India

GST RateExamples
5%Basic food items, books, pharmaceuticals, milk, bread
12%Processed food, cosmetics, furniture, leather goods
18%Most goods and services, electronics, clothing, fuel
28%Luxury items, automobiles, air conditioners, cameras
0%Exports, stamps, court fees

How to Use This GST Calculator

1

Step 1Enter the base amount (price before GST)

2

Step 2Select the applicable GST rate

3

Step 3Choose to add GST or calculate GST on a total

4

Step 4Instantly see the GST amount and final total

Frequently Asked Questions

What is GST?

GST (Goods and Services Tax) is a comprehensive indirect tax levied on the supply of goods and services in India. It replaced multiple taxes like VAT, excise, and service tax.

What are the different GST rates in India?

India has four main GST rates: 5% (essential items), 12% (mid-range items), 18% (most goods), and 28% (luxury items). Some items are GST-exempt.

How is GST calculated?

GST is calculated on the selling price. The formula is: GST Amount = (Price × GST Rate) / 100. To find price including GST: Price + GST Amount.

Can businesses claim GST credit?

Yes, registered businesses can claim Input Tax Credit (ITC) for GST paid on purchases. This reduces their net GST liability.

Who needs to register for GST?

Businesses with annual turnover exceeding ₹40 lakh must register for GST. Smaller businesses can voluntarily register.