Free GST Calculator Online – Add or Remove GST Instantly

 Free GST Calculator Online

GST Calculator dashboard showing GST tax calculation, GST rates 5%, 12%, 18%, 28%, Indian Rupee symbol, invoices and financial analytics
Use our free GST Calculator to add or remove GST instantly with support for 5%, 12%, 18%, 28%, and custom GST rates.

GST Calculator – Calculate GST Tax Online Free | Add & Remove GST Instantly

Free GST Calculator

Add or remove GST from any amount instantly. Calculate for all tax slabs — 5%, 12%, 18%, 28% and custom rates.

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GST Calculator
Add or remove GST from any price
Select GST Rate
Or enter custom rate: %
⚠️ Please enter a valid amount.
➕ GST Added (Exclusive)
Original Amount ₹0.00
GST Rate 18%
GST Amount ₹0.00
Total Amount (with GST) ₹0.00
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₹0
Net Amount
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₹0
GST Amount
๐Ÿ’ฐ
₹0
Gross Amount
๐Ÿ“Š Tax Component Breakdown
Tax TypeRateAmount
CGST (Central GST)9%₹0.00
SGST (State GST)9%₹0.00
IGST (Integrated GST)18%₹0.00
๐Ÿ›’ Multi-Item GST Calculator
Total GST Amount ₹0.00

About This GST Calculator Tool

Our free online GST calculator is the fastest and most accurate tool to add or remove GST from any amount. Whether you are a business owner, accountant, student, or consumer, this tool helps you instantly calculate the GST component for any transaction without any manual effort or formula knowledge.

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 cascading taxes such as VAT, service tax, excise duty, and others. GST is collected at every stage of the supply chain, but the final burden falls on the end consumer.

GST Tax Slabs in India

GST RateCategoryExamples
0%Exempt / EssentialFresh vegetables, milk, eggs, bread, salt
5%Essential GoodsPackaged food, edible oil, medicines, transport
12%Standard GoodsButter, cheese, fruit juices, mobile phones
18%Most Services & GoodsRestaurants, IT services, electronics, paint
28%Luxury / Sin GoodsCars, tobacco, aerated drinks, luxury hotels

How to Calculate GST?

Adding GST (Exclusive): When the price does not include GST, use: GST Amount = Original Price × GST% ÷ 100. Total Price = Original Price + GST Amount.

Removing GST (Inclusive): When the price already includes GST, use: Original Price = Total Price ÷ (1 + GST%/100). GST Amount = Total Price − Original Price.

What is CGST, SGST and IGST?

GST is divided into three components. CGST (Central GST) goes to the central government. SGST (State GST) goes to the state government. Together they equal the total GST rate for intra-state transactions. IGST (Integrated GST) is applied on inter-state transactions and goes entirely to the central government, which then distributes it to the destination state.

Frequently Asked Questions

  • How to calculate GST?
    To add GST: GST Amount = Original Price × GST Rate ÷ 100. Total = Original + GST Amount. To remove GST from an inclusive price: Original Price = Total Price ÷ (1 + GST Rate/100). GST Amount = Total − Original.
  • What are the GST slabs in India?
    India has four main GST slabs: 5% for essential goods like packaged food and medicines, 12% for standard goods like butter and mobile phones, 18% for most services and general goods, and 28% for luxury items like cars and tobacco.
  • What is the difference between inclusive and exclusive GST?
    Exclusive GST means the listed price does not include tax — GST is added on top to get the final price. Inclusive GST means the listed price already includes the GST component — you need to extract it to find the base price.
  • What is CGST and SGST?
    For intra-state (within same state) transactions, GST is split equally into CGST (Central GST) and SGST (State GST). For example, 18% GST = 9% CGST + 9% SGST. For inter-state transactions, IGST (18%) is charged instead.
  • Is this GST calculator free?
    Yes, completely free. No registration, no signup, no limits. All calculations happen instantly in your browser. Your data is never sent to any server.

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