GST Calculator India — Add or Extract GST
Instantly calculate GST for any amount. Shows CGST and SGST split for 5%, 12%, 18%, and 28% rates. Works for both adding GST and reverse calculation.
GST Details
Calculation Type
GST Rate
GST Amount
₹₹1,800
18% GST on ₹₹10,000
CGST (50%)
₹₹900
SGST (50%)
₹₹900
Total + GST
₹₹11,800
GST Amount
₹₹1,800
GST Breakdown
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What is GST?
GST (Goods and Services Tax) is a comprehensive indirect tax levied on the manufacture, sale, and consumption of goods and services in India. It replaced multiple cascading taxes like VAT, service tax, and excise duty when it was introduced on 1 July 2017. GST operates on a dual structure — CGST (Central GST, collected by the central government) and SGST (State GST, collected by the state government) for intrastate transactions. For interstate transactions, IGST (Integrated GST) applies at the full rate. GST follows a destination-based consumption tax model — it is collected at the point of consumption, not production. India has four primary GST slabs: 5%, 12%, 18%, and 28%, applied based on the nature of goods and services.
How to Use the GST Calculator
- 1.Calculation Type: Choose "Add GST" if you have the base price and want the final price, or "Extract GST" if you have the GST-inclusive price and want the base amount.
- 2.Enter Amount: Type the price in the input box.
- 3.Select GST Rate: Choose 5%, 12%, 18%, or 28% based on the product or service category.
- 4.Result: See the GST amount, CGST + SGST split, and final price. Download PDF for invoice or record-keeping purposes.
Common GST Rates by Category
5%
Packaged food, medicines, life-saving drugs, economy class air travel, fertilizers, LPG
12%
Processed food, business class travel, mobile phones, computers, butter, cheese
18%
Restaurants, telecom, IT services, electronics, construction (commercial), cement, paint
28%
Luxury cars, SUVs, motorcycles above 350cc, tobacco, aerated drinks, casinos, online gaming