GST Calculator
Add GST to a price, or pull it back out of a GST-inclusive total — at 5%, 12%, 18%, 28%, or any rate — with the CGST/SGST split shown for intra-state sales.
Your numbers
₹
%
Result — with the workings shown
Base amount
₹1,000.00
GST amount
₹180.00
Total (with GST)
₹1,180.00
How this is worked out
₹1,000.00 × 18% = ₹180.00 GST, so the GST-inclusive total is ₹1,180.00.
For a sale within the same state, that ₹180.00 GST is usually split evenly as CGST ₹90.00 + SGST ₹90.00. For an inter-state sale, it's charged as a single IGST ₹180.00 instead.