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About the GST Calculator India (CGST + SGST)

GST Calculator India handles both sides of Goods & Services Tax — add GST to a base price, or reverse-calculate the base from a tax-inclusive total. Splits correctly into CGST + SGST for intra-state or IGST for inter-state.

How to use

  1. Enter the amount in rupees.
  2. Pick the GST rate (0, 0.25, 3, 5, 12, 18 or 28%).
  3. Choose mode (add / remove) and supply type (intra / inter), then click Calculate.

Benefits & key features

  • All current Indian GST slabs covered.
  • Both add and reverse modes in one tool.
  • Correct CGST / SGST / IGST allocation per supply type.
  • Useful for invoices, billing and bookkeeping.

Pro tip

Reverse GST is handy when an MRP already includes tax — toggle to Remove GST to see how much of the sticker is tax.

Open GST Calculator India (CGST + SGST) now