Tax
GST Calculator
Adds or removes GST from a given amount at a selected slab rate, and splits it into CGST/SGST or IGST.
Your details
₹
GST amount
₹1,800
Base amount
₹10,000
Final amount
₹11,800
Base amount: ₹10,000 + GST: ₹1,800 = Final: ₹11,800.
Total₹1,800
- CGST₹900
- SGST₹900
How this is calculated
Add: Final = Base × (1 + rate/100). Remove: Base = Final / (1 + rate/100). Intra-state splits the GST amount equally into CGST and SGST; inter-state charges the full amount as IGST.
Want to understand this better?
GST Explained for Small Business Owners
Frequently asked questions
What are the current GST slab rates?
The common slabs are 0%, 5%, 12%, 18%, and 28%, depending on the good or service.
What is the difference between CGST, SGST, and IGST?
For intra-state sales, GST splits equally into CGST (central) and SGST (state); for inter-state sales, the full amount is charged as IGST.
How do I calculate GST on an invoice?
Use 'Add GST' mode with your base price, or use our GST Invoice Generator for a full invoice.
Is GST calculated on MRP or base price?
MRP is generally inclusive of GST; use 'Remove GST' mode to find the base price from an MRP.