🧾 GST Calculator India

Add or remove GST instantly. Supports all Indian GST slabs — 5%, 12%, 18%, 28%. Shows CGST & SGST breakup.

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Calculate GST

GST Breakdown

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Enter amount and click Calculate GST

Original Amount
GST Amount
Total Amount

Intra-State Breakup (within same state)

CGST (9%)
SGST (9%)
OR — Inter-State
IGST (18%)

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GST SlabCommon ItemsCGSTSGST
5%Sugar, spices, tea, coffee, medicine, transport services2.5%2.5%
12%Processed foods, computers, mobile phones, business class air tickets6%6%
18%AC restaurants, telecom, IT services, most manufactured goods9%9%
28%Luxury cars, cigarettes, aerated drinks, cement, gaming14%14%

How to Calculate GST in India?

GST (Goods and Services Tax) is a unified indirect tax levied in India since July 1, 2017. It replaced multiple taxes like VAT, service tax, excise duty, etc.

Formula to Add GST

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

Example: ₹1,000 product with 18% GST → GST = ₹180 → Total = ₹1,180

Formula to Remove GST (Reverse GST)

Original Price = Total Price ÷ (1 + GST Rate ÷ 100)
GST Amount = Total Price − Original Price

Example: MRP ₹1,180 with 18% GST → Original = ₹1,000 → GST = ₹180

CGST, SGST, and IGST Explained

When goods/services are sold within the same state, GST is split equally between CGST (Central Government) and SGST (State Government). For example, 18% GST becomes 9% CGST + 9% SGST.

When sold across states, the full amount is collected as IGST (Integrated GST) by the Central Government, which is later distributed to states.

Frequently Asked Questions (FAQs)

What are the GST slabs in India?
India has 4 main GST slabs: 5% for essential goods, 12% for processed food and computers, 18% for most services and manufactured goods, and 28% for luxury items like cars and aerated drinks.
How to calculate 18% GST on a product?
Multiply the price by 0.18 to get the GST. Add it to the original price for the total. Example: ₹500 × 0.18 = ₹90 GST. Total = ₹590. Or just use our calculator above!
What is reverse GST calculation?
Reverse GST (removing GST) means finding the original price when you already know the GST-inclusive price. Formula: Original Price = Total ÷ (1 + Rate/100). Use our "Remove GST" option above.
Is GST applicable on exports from India?
No. Exports from India are zero-rated under GST, meaning GST is not charged on exports. Exporters can also claim refund of input tax credit.

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