🧾 GST Calculator

Add or remove GST from any amount. Get CGST, SGST & IGST breakdown instantly.

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GST Calculator

Calculate GST for any amount and tax slab

GST Amount
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Total (with GST)
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CGST (@—%)
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SGST (@—%)
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IGST (@—%)
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Pre-GST Amount
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What is a GST Calculator?

A GST Calculator is an online tool that helps businesses, accountants, and consumers calculate the Goods and Services Tax (GST) on any transaction. In India, GST is a unified indirect tax levied on the supply of goods and services. Our GST calculator supports all standard tax slabs and provides a detailed breakdown of CGST, SGST, and IGST.

GST Rate Slabs in India

  • 5% GST – Essential goods, basic food items, small restaurants.
  • 12% GST – Processed food, computers, mobile phones (some categories).
  • 18% GST – Most services, electronics, restaurants with AC.
  • 28% GST – Luxury goods, automobiles, tobacco, aerated drinks.

GST Exclusive vs. Inclusive

Exclusive (Add GST): The entered amount is the base price before GST. The calculator adds GST to get the final payable amount.

Inclusive (Remove GST): The entered amount already includes GST. The calculator extracts the base amount and GST separately.

CGST, SGST, and IGST

  • CGST – Central GST (half of total GST, goes to Central Government).
  • SGST – State GST (half of total GST, goes to State Government) — for intra-state sales.
  • IGST – Integrated GST (full GST rate) — for inter-state sales and imports.

Frequently Asked Questions

What is GST in India?+
GST (Goods and Services Tax) is a comprehensive, multi-stage, destination-based tax that is levied on every value addition. It replaced multiple indirect taxes like VAT, service tax, and excise duty in India, effective July 1, 2017.
How to calculate GST from a GST-inclusive price?+
To extract GST from an inclusive price: GST Amount = Original Price × GST Rate / (100 + GST Rate). For example, if the inclusive price is ₹1,180 at 18% GST: GST = 1180 × 18 / 118 = ₹180. Use our "Inclusive (Remove GST)" option for instant results.
What is the difference between CGST and SGST?+
CGST (Central GST) goes to the Central Government and SGST (State GST) goes to the State Government. Both are levied simultaneously on intra-state transactions, each at half the total GST rate. For inter-state transactions, IGST (equal to total GST) is levied instead.
Which GST slab applies to restaurants?+
Non-AC restaurants are taxed at 5% GST with no input tax credit. AC restaurants charge 5% GST (changed from 18% in 2019). Hotels charging above ₹7,500 per night may have different rules. Always verify with current GST regulations as rates may change.