Tools & Calculators

GST Calculator

Add or strip GST at any rate, split into CGST, SGST and IGST.

Rates pending verification

The list of rate slabs used by this calculator are held in content/tax-rates.json and have not yet been verified by the firm against the current legislation. Treat every result as illustrative only until that review is complete.

What do you want to do
The value excluding GST when adding, or the GST-inclusive total when stripping.
Selecting a rate here is arithmetic only. It is not a view on the correct classification of any supply.
Type of supply

Results update as you type. Nothing you enter leaves your browser — there is no server involved in these calculations.

This does arithmetic, not classification

The calculator applies whatever rate you select. It does not determine the correct rate, HSN or SAC classification, place of supply, or whether a supply is exempt, zero-rated or outside the scope of GST. Those are the questions that actually create exposure, and they need advice on the specific facts. For an intra-state supply the tax is split equally between CGST and SGST or UTGST. For an inter-state supply the whole amount is IGST.

Indicative only

These calculators produce indicative results based only on the figures you enter and the assumptions stated on each page. They are not professional advice and must not be relied on for filing, planning or any other purpose. Tax law changes frequently. Please speak to us about your specific circumstances.

Questions

About this calculator

Switch to "Strip GST from a total". The taxable value is the total divided by one plus the rate, and the GST is the difference.

For an intra-state supply the tax is shared equally between the centre and the state. For an inter-state supply the whole amount is IGST. Determining which applies depends on the place of supply, which is a legal question rather than an arithmetic one.

More tools

Other calculators

Income Tax Calculator

Estimate liability under either regime, with slab-by-slab working, surcharge, rebate and cess shown.

Tax Regime Comparison

Both regimes computed side by side on the same figures, so the difference is explicit.