India GST Calculation Tool
Free GST Calculator Online
Use our Free Gst Calculator online to quickly calculate IGST, CGST, SGST.
₹
Calculation Summary
Net Amount₹0.00
CGST (9%)₹0.00
SGST (9%)₹0.00
IGST (18%)₹0.00
Total Amount
₹0.00(Incl. of all taxes)
After Calculating GST, generate free GST invoice instantly.
Resources
Tax Compliance & Understanding
A quick guide to GST components and the mathematical formulas used in our calculator.
What is GST?
The Goods and Services Tax (GST) is a destination-based, multi-stage tax levied on every value addition. It effectively replaced nearly a dozen indirect taxes, creating a unified "One Nation, One Tax" framework across India to streamline business operations.
Tax Components
CGSTCentral Govt (Intra-state)
SGSTState Govt (Intra-state)
IGSTCentral Govt (Inter-state)
Calculation Logic
GST Exclusive (Add)
Amount + (Amount × Rate / 100)GST Inclusive (Remove)
Amount - [Amount × (Rate / (100 + Rate))]| GST Slab | Applicable Categories (2026) |
|---|---|
| 5% | Daily Essentials & Household Items |
| 12% | Standard Goods & Processed Foods |
| 18% | Professional Services & IT Software |
| 28% | Luxury Items & High-end Electronics |