Tax
GST Split Calculator (CGST/SGST)
A focused tool for splitting the GST portion of an amount into CGST + SGST or IGST.
Your details
₹
Base amount
₹10,000
Total GST
₹1,800
₹11,800 (GST-inclusive) splits into a base of ₹10,000 and GST of ₹1,800.
Total₹1,800
- CGST₹900
- SGST₹900
How this is calculated
Base = GST-inclusive amount ÷ (1 + rate/100). GST = amount − base, split equally into CGST/SGST (intra-state) or charged in full as IGST (inter-state).
Frequently asked questions
When do I use CGST+SGST vs IGST?
CGST+SGST applies when the buyer and seller are in the same state; IGST applies for inter-state transactions — see our GST Calculator for the full add/remove flow.