GST Calculator (India, 2026)
Calculate CGST + SGST + IGST at standard Indian rates. Forward (add GST to a base price) or reverse (extract GST from a tax-inclusive total). Free, no signup, all client-side.
Calculator
Base amount
₹1,000.00
GST @ 18%
₹180.00
Final amount
₹1,180.00
Tax breakdown
- CGST (9.00%)₹90.00
- SGST (9.00%)₹90.00
Indicative only — verify against your accounting system and the applicable rate notification for your HSN / SAC code. Cess (if any) is not included.
How GST works in India
India runs a destination-based dual-GST model. Intra-state supplies attract Central GST (CGST) and State GST (SGST) in equal halves of the applicable rate. Inter-state supplies attract Integrated GST (IGST) at the full rate. The total tax on the invoice is the same either way — only the credit flow differs.
Standard rates as of 2026: 0%, 0.25% (rough diamonds, etc.), 3% (gold and certain precious items), 5%, 12%, 18%, 28%. Most services land at 18%; restaurants generally at 5% without ITC; most manufactured goods at 12% or 18%; luxury / sin goods at 28% with cess on top in some cases.
To switch between intra-state and inter-state in the calculator, toggle the supply type. The base, tax total, and final amount stay the same; the breakdown changes from CGST + SGST to IGST.