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GST Calculator

Add or remove GST from any amount. Get instant breakdown of CGST, SGST, and IGST.

All GST Rates Supported • Updated February 2026
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GST Rate Guide

GST Rate Common Items/Services CGST + SGST IGST
0% Milk, fresh fruits, vegetables, grains, healthcare 0% + 0% 0%
5% Edible oils, sugar, tea, coffee, coal, medicines 2.5% + 2.5% 5%
12% Computers, processed food, mobile phones 6% + 6% 12%
18% AC restaurants, hotels, most services, electronics 9% + 9% 18%
28% Luxury cars, tobacco, aerated drinks, casinos 14% + 14% 28%

How to Use

1

GST Exclusive (Add GST)

Use when: You know the base price and want to add GST.
Example: Product costs ₹10,000. Add 18% GST → Final price = ₹11,800

2

GST Inclusive (Remove GST)

Use when: You have the final price including GST and want to know the base amount.
Example: Bill shows ₹11,800 (including GST). Base amount = ₹10,000, GST = ₹1,800

3

Intra-State vs Inter-State

Intra-State: Buyer and seller in same state → Split as CGST (Central) + SGST (State)
Inter-State: Buyer and seller in different states → Single IGST (Integrated)

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Pro Tips

For Invoices: Use GST Exclusive if you're adding GST to your base price
For Expenses: Use GST Inclusive to know how much GST you paid
Rounding: GST amounts are typically rounded to nearest paisa (₹0.01)
Find HSN: Need HSN code for your product? Use our HSN Code Finder

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