GST Calculators

8 free tools · runs in your browser

Work out GST amounts in seconds — add or remove tax, split CGST/SGST/IGST and check percentages at any slab.

You know the final price including GST — find out how much of it is tax.

Add GST on top of your base price and get the invoice-ready total.

Calculate only the central tax half of intra-state GST on any amount.

Calculate only the state tax half of intra-state GST on any amount.

Calculate integrated tax at the full slab rate for inter-state supplies.

See both halves of intra-state GST together, side by side, in one step.

Take any GST amount and split it exactly into CGST and SGST halves.

Find what share of a tax-inclusive price is actually GST, as a percentage.