Calculate CGST, SGST and IGST instantly for every GST slab (5%, 12%, 18%, 28%).
Work out the exact GST on any amount in seconds. Enter the base amount and choose the GST rate to see the CGST, SGST and total payable — useful for invoices, quotations and quick checks.
GST = amount × rate ÷ 100. For intra-state sales it splits equally into CGST and SGST; for inter-state sales it is charged as a single IGST.
The main GST rates are 5%, 12%, 18% and 28%, applied depending on the category of goods or services.