Calculator
GST calculator for Amazon sellers
Add or remove GST with the correct CGST/SGST or IGST split for India supply.
Enter an amount and rate. Choose exclusive or inclusive mode and within-state or interstate supply. Calculation runs in your browser.
Tool workspace
Calculator
Work out GST on a single amount - no file needed.
Results
Results appear here after you run the tool.
How to use the results
Exclusive amounts
Use exclusive mode when GST appears as a separate invoice line.
Inclusive amounts
Use inclusive mode when the total already includes tax.
Supply type
Same state as buyer uses CGST+SGST; different state uses IGST.