GST Calculator India
Add GST or remove GST with Indian GST calculation logic.
- Runs in your browser
- Free, no signup
Calculator inputs
Results
For intra-state transactions, GST is split equally between CGST and SGST.
For inter-state transactions, the full GST is charged as IGST.
Inclusive GST means the value already includes tax; exclusive GST means the amount does not include tax yet.
Your files are processed locally in your browser and are not uploaded to our server.
GST is charged differently for intra-state and inter-state transactions. This calculator keeps that distinction clear so you can calculate the tax quickly and correctly.
Use it for tax invoices, invoice planning, pricing, and quick comparisons between inclusive and exclusive amounts.
Frequently asked questions
What is the difference between CGST and SGST?
For intra-state supply, GST is split equally into CGST and SGST. For inter-state supply, the full amount is usually charged as IGST.
Does this calculator include all GST rates?
It includes the commonly used GST percentage rate input, but the final rate should match the applicable tax rate for your product or service. The tool is designed to calculate the tax, not to decide the rate for a specific transaction.