Free GST Calculator (India)
Calculate GST for goods and services quickly
Support for CGST, SGST, IGST calculations
Reverse GST & Profit Margin calculators
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All calculations are performed locally in your browser. No data is stored or uploaded.
Basic GST Calculator
GST Details
Taxable Value
₹10000.00
Base amount before GST
Total GST
₹1800.00
Total GST amount
Total Amount
₹11800.00
Final amount to pay
GST Rate
18%
Applicable GST rate
GST Breakdown
CGST
₹900.00
9% (Central)
SGST
₹900.00
9% (State)
IGST
₹0.00
18% (Integrated)
GST Rate Explanation
18% GST is commonly applicable to IT services, SaaS, consulting, telecom services, financial services, and most industrial goods.
Frequently Asked Questions
Enter your net amount, select the appropriate GST slab (5%, 12%, 18%, or 28%), and the tool will instantly show you the Gross Amount and the CGST/SGST/IGST breakdown.
Yes, our tool includes a Reverse GST feature where you can enter the total amount (inclusive of tax) to find the original price before GST.
The primary GST slabs in India are 0% (exempted), 5%, 12%, 18%, and 28%. Our calculator supports all these standard rates.
Yes, our calculator follows the latest GST guidelines provided by the Government of India for CGST, SGST, and IGST calculations.