GST Calculator
Add or remove GST at 5%, 12%, 18% or 28% with CGST/SGST split.
Amount is
₹
GST rate
%
Total (incl. GST)
₹1,180.00
Base price
₹1,000.00
GST @ 18%
₹180.00
CGST @ 9%
₹90.00
SGST @ 9%
₹90.00
Total
₹1,180.00
For inter-state supply, the full GST amount is charged as IGST.
Results are estimates for information only and are not financial, tax or medical advice.
How to use the gst calculator
- Enter the amount.
- Choose whether it excludes GST (add) or includes GST (remove).
- Pick a GST rate or type your own.
Frequently asked questions
How do I remove GST from a price?
Base price = Total × 100 ÷ (100 + GST rate). For ₹1,180 at 18%, the base is ₹1,000 and GST is ₹180.
What are CGST and SGST?
For sales within a state, GST is split equally into Central GST and State GST. For inter-state sales, the full amount is IGST.