🧾GST Calculator
Calculate GST for India instantly. Enter an amount, choose the GST rate (5%, 12%, 18% or 28%) and whether the amount is exclusive or inclusive of GST — see the GST amount, total, and the CGST/SGST breakup.
Base
₹1,000
GST
₹180
Total
₹1,180
CGST / SGST
₹90 ea
How it works
- Add GST (exclusive): GST = amount × rate/100; total = amount + GST.
- Remove GST (inclusive): base = amount × 100/(100+rate); GST = amount − base.
- For intra-state supply, GST splits equally into CGST and SGST (half each).
Frequently asked questions
What are the GST slabs in India?
The main GST rates are 5%, 12%, 18% and 28%, with 0% for exempt items. This tool covers all four standard slabs.
What is CGST and SGST?
For a supply within the same state, GST is split into Central GST (CGST) and State GST (SGST), each being half of the total GST.