Tax • GST
GST Calculator
Calculate GST-inclusive and GST-exclusive amounts and split the tax into CGST/SGST or IGST for a simple transaction illustration.
India-focusedFree calculatorIllustration only
GST Calculator
Base amount—
GST—
Final amount—
How to read the result
For an intra-state illustration, the GST is split equally between CGST and SGST. For an inter-state illustration, the full GST is shown as IGST.
Tax compliance note: The correct GST rate, place-of-supply treatment, exemptions and invoicing rules depend on the transaction. This calculator is not a GST return or tax advisory tool.
GST-inclusive vs GST-exclusive
If a quoted price is exclusive of GST, tax is added to the base price. If the price is GST-inclusive, the tax component must be backed out of the total rather than simply multiplying the total by the GST rate.
For individuals and small businesses
- Ask whether the quoted price is inclusive or exclusive of GST.
- Check the invoice for the correct GSTIN and tax components where applicable.
- Do not assume every product/service has the same GST treatment.
- For business decisions, consider input tax credit eligibility separately from the customer-facing GST amount.
Frequently Asked Questions
Is this calculator suitable for filing a GST return?
No. It is a transaction-level illustration only.
Why is CGST half of GST?
For the simple intra-state scenario selected here, the total GST is illustrated as equal CGST and SGST components.
Important: This calculator is for educational illustration only. Actual outcomes depend on product terms, taxes, fees, market returns, timing and individual circumstances. Verify important financial decisions with the relevant institution/professional.
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