India GST Calculator
Add or remove India GST using 0 5 18 and 40 percent GST 2.0 slabs.
Add or remove GST at the current India GST 2.0 slabs (effective 22 September 2025). The 12% and 28% slabs were merged into 5% and 18%, with 40% for select luxury/sin goods.
Intra-state supplies split GST equally into CGST and SGST; inter-state supplies use a single IGST at the full rate.
How to use India GST Calculator
- Enter an amount and select the applicable GST rate slab (0%, 5%, 12%, 18%, or 28%).
- Choose inclusive or exclusive.
- Get the GST amount and total instantly.
About this tool
India GST Calculator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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